2 * This is the new netlink-based wireless configuration interface.
4 * Copyright 2006-2010 Johannes Berg <johannes@sipsolutions.net>
8 #include <linux/module.h>
10 #include <linux/slab.h>
11 #include <linux/list.h>
12 #include <linux/if_ether.h>
13 #include <linux/ieee80211.h>
14 #include <linux/nl80211.h>
15 #include <linux/rtnetlink.h>
16 #include <linux/netlink.h>
17 #include <linux/etherdevice.h>
18 #include <net/net_namespace.h>
19 #include <net/genetlink.h>
20 #include <net/cfg80211.h>
26 static bool nl80211_valid_auth_type(enum nl80211_auth_type auth_type
);
27 static int nl80211_crypto_settings(struct cfg80211_registered_device
*rdev
,
28 struct genl_info
*info
,
29 struct cfg80211_crypto_settings
*settings
,
32 static int nl80211_pre_doit(struct genl_ops
*ops
, struct sk_buff
*skb
,
33 struct genl_info
*info
);
34 static void nl80211_post_doit(struct genl_ops
*ops
, struct sk_buff
*skb
,
35 struct genl_info
*info
);
37 /* the netlink family */
38 static struct genl_family nl80211_fam
= {
39 .id
= GENL_ID_GENERATE
, /* don't bother with a hardcoded ID */
40 .name
= "nl80211", /* have users key off the name instead */
41 .hdrsize
= 0, /* no private header */
42 .version
= 1, /* no particular meaning now */
43 .maxattr
= NL80211_ATTR_MAX
,
45 .pre_doit
= nl80211_pre_doit
,
46 .post_doit
= nl80211_post_doit
,
49 /* internal helper: get rdev and dev */
50 static int get_rdev_dev_by_ifindex(struct net
*netns
, struct nlattr
**attrs
,
51 struct cfg80211_registered_device
**rdev
,
52 struct net_device
**dev
)
56 if (!attrs
[NL80211_ATTR_IFINDEX
])
59 ifindex
= nla_get_u32(attrs
[NL80211_ATTR_IFINDEX
]);
60 *dev
= dev_get_by_index(netns
, ifindex
);
64 *rdev
= cfg80211_get_dev_from_ifindex(netns
, ifindex
);
67 return PTR_ERR(*rdev
);
73 static struct cfg80211_registered_device
*
74 __cfg80211_rdev_from_attrs(struct net
*netns
, struct nlattr
**attrs
)
76 struct cfg80211_registered_device
*rdev
= NULL
, *tmp
;
77 struct net_device
*netdev
;
79 assert_cfg80211_lock();
81 if (!attrs
[NL80211_ATTR_WIPHY
] &&
82 !attrs
[NL80211_ATTR_IFINDEX
])
83 return ERR_PTR(-EINVAL
);
85 if (attrs
[NL80211_ATTR_WIPHY
])
86 rdev
= cfg80211_rdev_by_wiphy_idx(
87 nla_get_u32(attrs
[NL80211_ATTR_WIPHY
]));
89 if (attrs
[NL80211_ATTR_IFINDEX
]) {
90 int ifindex
= nla_get_u32(attrs
[NL80211_ATTR_IFINDEX
]);
91 netdev
= dev_get_by_index(netns
, ifindex
);
93 if (netdev
->ieee80211_ptr
)
95 netdev
->ieee80211_ptr
->wiphy
);
101 /* not wireless device -- return error */
103 return ERR_PTR(-EINVAL
);
105 /* mismatch -- return error */
106 if (rdev
&& tmp
!= rdev
)
107 return ERR_PTR(-EINVAL
);
114 return ERR_PTR(-ENODEV
);
116 if (netns
!= wiphy_net(&rdev
->wiphy
))
117 return ERR_PTR(-ENODEV
);
123 * This function returns a pointer to the driver
124 * that the genl_info item that is passed refers to.
125 * If successful, it returns non-NULL and also locks
126 * the driver's mutex!
128 * This means that you need to call cfg80211_unlock_rdev()
129 * before being allowed to acquire &cfg80211_mutex!
131 * This is necessary because we need to lock the global
132 * mutex to get an item off the list safely, and then
133 * we lock the rdev mutex so it doesn't go away under us.
135 * We don't want to keep cfg80211_mutex locked
136 * for all the time in order to allow requests on
137 * other interfaces to go through at the same time.
139 * The result of this can be a PTR_ERR and hence must
140 * be checked with IS_ERR() for errors.
142 static struct cfg80211_registered_device
*
143 cfg80211_get_dev_from_info(struct net
*netns
, struct genl_info
*info
)
145 struct cfg80211_registered_device
*rdev
;
147 mutex_lock(&cfg80211_mutex
);
148 rdev
= __cfg80211_rdev_from_attrs(netns
, info
->attrs
);
150 /* if it is not an error we grab the lock on
151 * it to assure it won't be going away while
152 * we operate on it */
154 mutex_lock(&rdev
->mtx
);
156 mutex_unlock(&cfg80211_mutex
);
161 /* policy for the attributes */
162 static const struct nla_policy nl80211_policy
[NL80211_ATTR_MAX
+1] = {
163 [NL80211_ATTR_WIPHY
] = { .type
= NLA_U32
},
164 [NL80211_ATTR_WIPHY_NAME
] = { .type
= NLA_NUL_STRING
,
166 [NL80211_ATTR_WIPHY_TXQ_PARAMS
] = { .type
= NLA_NESTED
},
167 [NL80211_ATTR_WIPHY_FREQ
] = { .type
= NLA_U32
},
168 [NL80211_ATTR_WIPHY_CHANNEL_TYPE
] = { .type
= NLA_U32
},
169 [NL80211_ATTR_WIPHY_RETRY_SHORT
] = { .type
= NLA_U8
},
170 [NL80211_ATTR_WIPHY_RETRY_LONG
] = { .type
= NLA_U8
},
171 [NL80211_ATTR_WIPHY_FRAG_THRESHOLD
] = { .type
= NLA_U32
},
172 [NL80211_ATTR_WIPHY_RTS_THRESHOLD
] = { .type
= NLA_U32
},
173 [NL80211_ATTR_WIPHY_COVERAGE_CLASS
] = { .type
= NLA_U8
},
175 [NL80211_ATTR_IFTYPE
] = { .type
= NLA_U32
},
176 [NL80211_ATTR_IFINDEX
] = { .type
= NLA_U32
},
177 [NL80211_ATTR_IFNAME
] = { .type
= NLA_NUL_STRING
, .len
= IFNAMSIZ
-1 },
179 [NL80211_ATTR_MAC
] = { .len
= ETH_ALEN
},
180 [NL80211_ATTR_PREV_BSSID
] = { .len
= ETH_ALEN
},
182 [NL80211_ATTR_KEY
] = { .type
= NLA_NESTED
, },
183 [NL80211_ATTR_KEY_DATA
] = { .type
= NLA_BINARY
,
184 .len
= WLAN_MAX_KEY_LEN
},
185 [NL80211_ATTR_KEY_IDX
] = { .type
= NLA_U8
},
186 [NL80211_ATTR_KEY_CIPHER
] = { .type
= NLA_U32
},
187 [NL80211_ATTR_KEY_DEFAULT
] = { .type
= NLA_FLAG
},
188 [NL80211_ATTR_KEY_SEQ
] = { .type
= NLA_BINARY
, .len
= 16 },
189 [NL80211_ATTR_KEY_TYPE
] = { .type
= NLA_U32
},
191 [NL80211_ATTR_BEACON_INTERVAL
] = { .type
= NLA_U32
},
192 [NL80211_ATTR_DTIM_PERIOD
] = { .type
= NLA_U32
},
193 [NL80211_ATTR_BEACON_HEAD
] = { .type
= NLA_BINARY
,
194 .len
= IEEE80211_MAX_DATA_LEN
},
195 [NL80211_ATTR_BEACON_TAIL
] = { .type
= NLA_BINARY
,
196 .len
= IEEE80211_MAX_DATA_LEN
},
197 [NL80211_ATTR_STA_AID
] = { .type
= NLA_U16
},
198 [NL80211_ATTR_STA_FLAGS
] = { .type
= NLA_NESTED
},
199 [NL80211_ATTR_STA_LISTEN_INTERVAL
] = { .type
= NLA_U16
},
200 [NL80211_ATTR_STA_SUPPORTED_RATES
] = { .type
= NLA_BINARY
,
201 .len
= NL80211_MAX_SUPP_RATES
},
202 [NL80211_ATTR_STA_PLINK_ACTION
] = { .type
= NLA_U8
},
203 [NL80211_ATTR_STA_VLAN
] = { .type
= NLA_U32
},
204 [NL80211_ATTR_MNTR_FLAGS
] = { /* NLA_NESTED can't be empty */ },
205 [NL80211_ATTR_MESH_ID
] = { .type
= NLA_BINARY
,
206 .len
= IEEE80211_MAX_MESH_ID_LEN
},
207 [NL80211_ATTR_MPATH_NEXT_HOP
] = { .type
= NLA_U32
},
209 [NL80211_ATTR_REG_ALPHA2
] = { .type
= NLA_STRING
, .len
= 2 },
210 [NL80211_ATTR_REG_RULES
] = { .type
= NLA_NESTED
},
212 [NL80211_ATTR_BSS_CTS_PROT
] = { .type
= NLA_U8
},
213 [NL80211_ATTR_BSS_SHORT_PREAMBLE
] = { .type
= NLA_U8
},
214 [NL80211_ATTR_BSS_SHORT_SLOT_TIME
] = { .type
= NLA_U8
},
215 [NL80211_ATTR_BSS_BASIC_RATES
] = { .type
= NLA_BINARY
,
216 .len
= NL80211_MAX_SUPP_RATES
},
217 [NL80211_ATTR_BSS_HT_OPMODE
] = { .type
= NLA_U16
},
219 [NL80211_ATTR_MESH_CONFIG
] = { .type
= NLA_NESTED
},
220 [NL80211_ATTR_SUPPORT_MESH_AUTH
] = { .type
= NLA_FLAG
},
222 [NL80211_ATTR_HT_CAPABILITY
] = { .len
= NL80211_HT_CAPABILITY_LEN
},
224 [NL80211_ATTR_MGMT_SUBTYPE
] = { .type
= NLA_U8
},
225 [NL80211_ATTR_IE
] = { .type
= NLA_BINARY
,
226 .len
= IEEE80211_MAX_DATA_LEN
},
227 [NL80211_ATTR_SCAN_FREQUENCIES
] = { .type
= NLA_NESTED
},
228 [NL80211_ATTR_SCAN_SSIDS
] = { .type
= NLA_NESTED
},
230 [NL80211_ATTR_SSID
] = { .type
= NLA_BINARY
,
231 .len
= IEEE80211_MAX_SSID_LEN
},
232 [NL80211_ATTR_AUTH_TYPE
] = { .type
= NLA_U32
},
233 [NL80211_ATTR_REASON_CODE
] = { .type
= NLA_U16
},
234 [NL80211_ATTR_FREQ_FIXED
] = { .type
= NLA_FLAG
},
235 [NL80211_ATTR_TIMED_OUT
] = { .type
= NLA_FLAG
},
236 [NL80211_ATTR_USE_MFP
] = { .type
= NLA_U32
},
237 [NL80211_ATTR_STA_FLAGS2
] = {
238 .len
= sizeof(struct nl80211_sta_flag_update
),
240 [NL80211_ATTR_CONTROL_PORT
] = { .type
= NLA_FLAG
},
241 [NL80211_ATTR_CONTROL_PORT_ETHERTYPE
] = { .type
= NLA_U16
},
242 [NL80211_ATTR_CONTROL_PORT_NO_ENCRYPT
] = { .type
= NLA_FLAG
},
243 [NL80211_ATTR_PRIVACY
] = { .type
= NLA_FLAG
},
244 [NL80211_ATTR_CIPHER_SUITE_GROUP
] = { .type
= NLA_U32
},
245 [NL80211_ATTR_WPA_VERSIONS
] = { .type
= NLA_U32
},
246 [NL80211_ATTR_PID
] = { .type
= NLA_U32
},
247 [NL80211_ATTR_4ADDR
] = { .type
= NLA_U8
},
248 [NL80211_ATTR_PMKID
] = { .type
= NLA_BINARY
,
249 .len
= WLAN_PMKID_LEN
},
250 [NL80211_ATTR_DURATION
] = { .type
= NLA_U32
},
251 [NL80211_ATTR_COOKIE
] = { .type
= NLA_U64
},
252 [NL80211_ATTR_TX_RATES
] = { .type
= NLA_NESTED
},
253 [NL80211_ATTR_FRAME
] = { .type
= NLA_BINARY
,
254 .len
= IEEE80211_MAX_DATA_LEN
},
255 [NL80211_ATTR_FRAME_MATCH
] = { .type
= NLA_BINARY
, },
256 [NL80211_ATTR_PS_STATE
] = { .type
= NLA_U32
},
257 [NL80211_ATTR_CQM
] = { .type
= NLA_NESTED
, },
258 [NL80211_ATTR_LOCAL_STATE_CHANGE
] = { .type
= NLA_FLAG
},
259 [NL80211_ATTR_AP_ISOLATE
] = { .type
= NLA_U8
},
260 [NL80211_ATTR_WIPHY_TX_POWER_SETTING
] = { .type
= NLA_U32
},
261 [NL80211_ATTR_WIPHY_TX_POWER_LEVEL
] = { .type
= NLA_U32
},
262 [NL80211_ATTR_FRAME_TYPE
] = { .type
= NLA_U16
},
263 [NL80211_ATTR_WIPHY_ANTENNA_TX
] = { .type
= NLA_U32
},
264 [NL80211_ATTR_WIPHY_ANTENNA_RX
] = { .type
= NLA_U32
},
265 [NL80211_ATTR_MCAST_RATE
] = { .type
= NLA_U32
},
266 [NL80211_ATTR_OFFCHANNEL_TX_OK
] = { .type
= NLA_FLAG
},
267 [NL80211_ATTR_KEY_DEFAULT_TYPES
] = { .type
= NLA_NESTED
},
268 [NL80211_ATTR_WOWLAN_TRIGGERS
] = { .type
= NLA_NESTED
},
269 [NL80211_ATTR_STA_PLINK_STATE
] = { .type
= NLA_U8
},
270 [NL80211_ATTR_SCHED_SCAN_INTERVAL
] = { .type
= NLA_U32
},
271 [NL80211_ATTR_REKEY_DATA
] = { .type
= NLA_NESTED
},
272 [NL80211_ATTR_SCAN_SUPP_RATES
] = { .type
= NLA_NESTED
},
273 [NL80211_ATTR_HIDDEN_SSID
] = { .type
= NLA_U32
},
274 [NL80211_ATTR_IE_PROBE_RESP
] = { .type
= NLA_BINARY
,
275 .len
= IEEE80211_MAX_DATA_LEN
},
276 [NL80211_ATTR_IE_ASSOC_RESP
] = { .type
= NLA_BINARY
,
277 .len
= IEEE80211_MAX_DATA_LEN
},
278 [NL80211_ATTR_ROAM_SUPPORT
] = { .type
= NLA_FLAG
},
279 [NL80211_ATTR_SCHED_SCAN_MATCH
] = { .type
= NLA_NESTED
},
280 [NL80211_ATTR_TX_NO_CCK_RATE
] = { .type
= NLA_FLAG
},
281 [NL80211_ATTR_TDLS_ACTION
] = { .type
= NLA_U8
},
282 [NL80211_ATTR_TDLS_DIALOG_TOKEN
] = { .type
= NLA_U8
},
283 [NL80211_ATTR_TDLS_OPERATION
] = { .type
= NLA_U8
},
284 [NL80211_ATTR_TDLS_SUPPORT
] = { .type
= NLA_FLAG
},
285 [NL80211_ATTR_TDLS_EXTERNAL_SETUP
] = { .type
= NLA_FLAG
},
286 [NL80211_ATTR_DONT_WAIT_FOR_ACK
] = { .type
= NLA_FLAG
},
287 [NL80211_ATTR_PROBE_RESP
] = { .type
= NLA_BINARY
,
288 .len
= IEEE80211_MAX_DATA_LEN
},
289 [NL80211_ATTR_DFS_REGION
] = { .type
= NLA_U8
},
290 [NL80211_ATTR_DISABLE_HT
] = { .type
= NLA_FLAG
},
291 [NL80211_ATTR_HT_CAPABILITY_MASK
] = {
292 .len
= NL80211_HT_CAPABILITY_LEN
294 [NL80211_ATTR_NOACK_MAP
] = { .type
= NLA_U16
},
295 [NL80211_ATTR_INACTIVITY_TIMEOUT
] = { .type
= NLA_U16
},
296 [NL80211_ATTR_BG_SCAN_PERIOD
] = { .type
= NLA_U16
},
299 /* policy for the key attributes */
300 static const struct nla_policy nl80211_key_policy
[NL80211_KEY_MAX
+ 1] = {
301 [NL80211_KEY_DATA
] = { .type
= NLA_BINARY
, .len
= WLAN_MAX_KEY_LEN
},
302 [NL80211_KEY_IDX
] = { .type
= NLA_U8
},
303 [NL80211_KEY_CIPHER
] = { .type
= NLA_U32
},
304 [NL80211_KEY_SEQ
] = { .type
= NLA_BINARY
, .len
= 16 },
305 [NL80211_KEY_DEFAULT
] = { .type
= NLA_FLAG
},
306 [NL80211_KEY_DEFAULT_MGMT
] = { .type
= NLA_FLAG
},
307 [NL80211_KEY_TYPE
] = { .type
= NLA_U32
},
308 [NL80211_KEY_DEFAULT_TYPES
] = { .type
= NLA_NESTED
},
311 /* policy for the key default flags */
312 static const struct nla_policy
313 nl80211_key_default_policy
[NUM_NL80211_KEY_DEFAULT_TYPES
] = {
314 [NL80211_KEY_DEFAULT_TYPE_UNICAST
] = { .type
= NLA_FLAG
},
315 [NL80211_KEY_DEFAULT_TYPE_MULTICAST
] = { .type
= NLA_FLAG
},
318 /* policy for WoWLAN attributes */
319 static const struct nla_policy
320 nl80211_wowlan_policy
[NUM_NL80211_WOWLAN_TRIG
] = {
321 [NL80211_WOWLAN_TRIG_ANY
] = { .type
= NLA_FLAG
},
322 [NL80211_WOWLAN_TRIG_DISCONNECT
] = { .type
= NLA_FLAG
},
323 [NL80211_WOWLAN_TRIG_MAGIC_PKT
] = { .type
= NLA_FLAG
},
324 [NL80211_WOWLAN_TRIG_PKT_PATTERN
] = { .type
= NLA_NESTED
},
325 [NL80211_WOWLAN_TRIG_GTK_REKEY_FAILURE
] = { .type
= NLA_FLAG
},
326 [NL80211_WOWLAN_TRIG_EAP_IDENT_REQUEST
] = { .type
= NLA_FLAG
},
327 [NL80211_WOWLAN_TRIG_4WAY_HANDSHAKE
] = { .type
= NLA_FLAG
},
328 [NL80211_WOWLAN_TRIG_RFKILL_RELEASE
] = { .type
= NLA_FLAG
},
331 /* policy for GTK rekey offload attributes */
332 static const struct nla_policy
333 nl80211_rekey_policy
[NUM_NL80211_REKEY_DATA
] = {
334 [NL80211_REKEY_DATA_KEK
] = { .len
= NL80211_KEK_LEN
},
335 [NL80211_REKEY_DATA_KCK
] = { .len
= NL80211_KCK_LEN
},
336 [NL80211_REKEY_DATA_REPLAY_CTR
] = { .len
= NL80211_REPLAY_CTR_LEN
},
339 static const struct nla_policy
340 nl80211_match_policy
[NL80211_SCHED_SCAN_MATCH_ATTR_MAX
+ 1] = {
341 [NL80211_SCHED_SCAN_MATCH_ATTR_SSID
] = { .type
= NLA_BINARY
,
342 .len
= IEEE80211_MAX_SSID_LEN
},
343 [NL80211_SCHED_SCAN_MATCH_ATTR_RSSI
] = { .type
= NLA_U32
},
346 /* ifidx get helper */
347 static int nl80211_get_ifidx(struct netlink_callback
*cb
)
351 res
= nlmsg_parse(cb
->nlh
, GENL_HDRLEN
+ nl80211_fam
.hdrsize
,
352 nl80211_fam
.attrbuf
, nl80211_fam
.maxattr
,
357 if (!nl80211_fam
.attrbuf
[NL80211_ATTR_IFINDEX
])
360 res
= nla_get_u32(nl80211_fam
.attrbuf
[NL80211_ATTR_IFINDEX
]);
366 static int nl80211_prepare_netdev_dump(struct sk_buff
*skb
,
367 struct netlink_callback
*cb
,
368 struct cfg80211_registered_device
**rdev
,
369 struct net_device
**dev
)
371 int ifidx
= cb
->args
[0];
375 ifidx
= nl80211_get_ifidx(cb
);
383 *dev
= __dev_get_by_index(sock_net(skb
->sk
), ifidx
);
389 *rdev
= cfg80211_get_dev_from_ifindex(sock_net(skb
->sk
), ifidx
);
391 err
= PTR_ERR(*rdev
);
401 static void nl80211_finish_netdev_dump(struct cfg80211_registered_device
*rdev
)
403 cfg80211_unlock_rdev(rdev
);
408 static bool is_valid_ie_attr(const struct nlattr
*attr
)
416 pos
= nla_data(attr
);
437 /* message building helper */
438 static inline void *nl80211hdr_put(struct sk_buff
*skb
, u32 pid
, u32 seq
,
441 /* since there is no private header just add the generic one */
442 return genlmsg_put(skb
, pid
, seq
, &nl80211_fam
, flags
, cmd
);
445 static int nl80211_msg_put_channel(struct sk_buff
*msg
,
446 struct ieee80211_channel
*chan
)
448 if (nla_put_u32(msg
, NL80211_FREQUENCY_ATTR_FREQ
,
450 goto nla_put_failure
;
452 if ((chan
->flags
& IEEE80211_CHAN_DISABLED
) &&
453 nla_put_flag(msg
, NL80211_FREQUENCY_ATTR_DISABLED
))
454 goto nla_put_failure
;
455 if ((chan
->flags
& IEEE80211_CHAN_PASSIVE_SCAN
) &&
456 nla_put_flag(msg
, NL80211_FREQUENCY_ATTR_PASSIVE_SCAN
))
457 goto nla_put_failure
;
458 if ((chan
->flags
& IEEE80211_CHAN_NO_IBSS
) &&
459 nla_put_flag(msg
, NL80211_FREQUENCY_ATTR_NO_IBSS
))
460 goto nla_put_failure
;
461 if ((chan
->flags
& IEEE80211_CHAN_RADAR
) &&
462 nla_put_flag(msg
, NL80211_FREQUENCY_ATTR_RADAR
))
463 goto nla_put_failure
;
465 if (nla_put_u32(msg
, NL80211_FREQUENCY_ATTR_MAX_TX_POWER
,
466 DBM_TO_MBM(chan
->max_power
)))
467 goto nla_put_failure
;
475 /* netlink command implementations */
482 bool def_uni
, def_multi
;
485 static int nl80211_parse_key_new(struct nlattr
*key
, struct key_parse
*k
)
487 struct nlattr
*tb
[NL80211_KEY_MAX
+ 1];
488 int err
= nla_parse_nested(tb
, NL80211_KEY_MAX
, key
,
493 k
->def
= !!tb
[NL80211_KEY_DEFAULT
];
494 k
->defmgmt
= !!tb
[NL80211_KEY_DEFAULT_MGMT
];
503 if (tb
[NL80211_KEY_IDX
])
504 k
->idx
= nla_get_u8(tb
[NL80211_KEY_IDX
]);
506 if (tb
[NL80211_KEY_DATA
]) {
507 k
->p
.key
= nla_data(tb
[NL80211_KEY_DATA
]);
508 k
->p
.key_len
= nla_len(tb
[NL80211_KEY_DATA
]);
511 if (tb
[NL80211_KEY_SEQ
]) {
512 k
->p
.seq
= nla_data(tb
[NL80211_KEY_SEQ
]);
513 k
->p
.seq_len
= nla_len(tb
[NL80211_KEY_SEQ
]);
516 if (tb
[NL80211_KEY_CIPHER
])
517 k
->p
.cipher
= nla_get_u32(tb
[NL80211_KEY_CIPHER
]);
519 if (tb
[NL80211_KEY_TYPE
]) {
520 k
->type
= nla_get_u32(tb
[NL80211_KEY_TYPE
]);
521 if (k
->type
< 0 || k
->type
>= NUM_NL80211_KEYTYPES
)
525 if (tb
[NL80211_KEY_DEFAULT_TYPES
]) {
526 struct nlattr
*kdt
[NUM_NL80211_KEY_DEFAULT_TYPES
];
527 err
= nla_parse_nested(kdt
, NUM_NL80211_KEY_DEFAULT_TYPES
- 1,
528 tb
[NL80211_KEY_DEFAULT_TYPES
],
529 nl80211_key_default_policy
);
533 k
->def_uni
= kdt
[NL80211_KEY_DEFAULT_TYPE_UNICAST
];
534 k
->def_multi
= kdt
[NL80211_KEY_DEFAULT_TYPE_MULTICAST
];
540 static int nl80211_parse_key_old(struct genl_info
*info
, struct key_parse
*k
)
542 if (info
->attrs
[NL80211_ATTR_KEY_DATA
]) {
543 k
->p
.key
= nla_data(info
->attrs
[NL80211_ATTR_KEY_DATA
]);
544 k
->p
.key_len
= nla_len(info
->attrs
[NL80211_ATTR_KEY_DATA
]);
547 if (info
->attrs
[NL80211_ATTR_KEY_SEQ
]) {
548 k
->p
.seq
= nla_data(info
->attrs
[NL80211_ATTR_KEY_SEQ
]);
549 k
->p
.seq_len
= nla_len(info
->attrs
[NL80211_ATTR_KEY_SEQ
]);
552 if (info
->attrs
[NL80211_ATTR_KEY_IDX
])
553 k
->idx
= nla_get_u8(info
->attrs
[NL80211_ATTR_KEY_IDX
]);
555 if (info
->attrs
[NL80211_ATTR_KEY_CIPHER
])
556 k
->p
.cipher
= nla_get_u32(info
->attrs
[NL80211_ATTR_KEY_CIPHER
]);
558 k
->def
= !!info
->attrs
[NL80211_ATTR_KEY_DEFAULT
];
559 k
->defmgmt
= !!info
->attrs
[NL80211_ATTR_KEY_DEFAULT_MGMT
];
568 if (info
->attrs
[NL80211_ATTR_KEY_TYPE
]) {
569 k
->type
= nla_get_u32(info
->attrs
[NL80211_ATTR_KEY_TYPE
]);
570 if (k
->type
< 0 || k
->type
>= NUM_NL80211_KEYTYPES
)
574 if (info
->attrs
[NL80211_ATTR_KEY_DEFAULT_TYPES
]) {
575 struct nlattr
*kdt
[NUM_NL80211_KEY_DEFAULT_TYPES
];
576 int err
= nla_parse_nested(
577 kdt
, NUM_NL80211_KEY_DEFAULT_TYPES
- 1,
578 info
->attrs
[NL80211_ATTR_KEY_DEFAULT_TYPES
],
579 nl80211_key_default_policy
);
583 k
->def_uni
= kdt
[NL80211_KEY_DEFAULT_TYPE_UNICAST
];
584 k
->def_multi
= kdt
[NL80211_KEY_DEFAULT_TYPE_MULTICAST
];
590 static int nl80211_parse_key(struct genl_info
*info
, struct key_parse
*k
)
594 memset(k
, 0, sizeof(*k
));
598 if (info
->attrs
[NL80211_ATTR_KEY
])
599 err
= nl80211_parse_key_new(info
->attrs
[NL80211_ATTR_KEY
], k
);
601 err
= nl80211_parse_key_old(info
, k
);
606 if (k
->def
&& k
->defmgmt
)
610 if (k
->def_uni
|| !k
->def_multi
)
616 if (k
->idx
< 4 || k
->idx
> 5)
619 if (k
->idx
< 0 || k
->idx
> 3)
622 if (k
->idx
< 0 || k
->idx
> 5)
630 static struct cfg80211_cached_keys
*
631 nl80211_parse_connkeys(struct cfg80211_registered_device
*rdev
,
634 struct key_parse parse
;
636 struct cfg80211_cached_keys
*result
;
637 int rem
, err
, def
= 0;
639 result
= kzalloc(sizeof(*result
), GFP_KERNEL
);
641 return ERR_PTR(-ENOMEM
);
644 result
->defmgmt
= -1;
646 nla_for_each_nested(key
, keys
, rem
) {
647 memset(&parse
, 0, sizeof(parse
));
650 err
= nl80211_parse_key_new(key
, &parse
);
656 if (parse
.idx
< 0 || parse
.idx
> 4)
662 result
->def
= parse
.idx
;
663 if (!parse
.def_uni
|| !parse
.def_multi
)
665 } else if (parse
.defmgmt
)
667 err
= cfg80211_validate_key_settings(rdev
, &parse
.p
,
668 parse
.idx
, false, NULL
);
671 result
->params
[parse
.idx
].cipher
= parse
.p
.cipher
;
672 result
->params
[parse
.idx
].key_len
= parse
.p
.key_len
;
673 result
->params
[parse
.idx
].key
= result
->data
[parse
.idx
];
674 memcpy(result
->data
[parse
.idx
], parse
.p
.key
, parse
.p
.key_len
);
683 static int nl80211_key_allowed(struct wireless_dev
*wdev
)
685 ASSERT_WDEV_LOCK(wdev
);
687 switch (wdev
->iftype
) {
688 case NL80211_IFTYPE_AP
:
689 case NL80211_IFTYPE_AP_VLAN
:
690 case NL80211_IFTYPE_P2P_GO
:
691 case NL80211_IFTYPE_MESH_POINT
:
693 case NL80211_IFTYPE_ADHOC
:
694 if (!wdev
->current_bss
)
697 case NL80211_IFTYPE_STATION
:
698 case NL80211_IFTYPE_P2P_CLIENT
:
699 if (wdev
->sme_state
!= CFG80211_SME_CONNECTED
)
709 static int nl80211_put_iftypes(struct sk_buff
*msg
, u32 attr
, u16 ifmodes
)
711 struct nlattr
*nl_modes
= nla_nest_start(msg
, attr
);
715 goto nla_put_failure
;
719 if ((ifmodes
& 1) && nla_put_flag(msg
, i
))
720 goto nla_put_failure
;
725 nla_nest_end(msg
, nl_modes
);
732 static int nl80211_put_iface_combinations(struct wiphy
*wiphy
,
735 struct nlattr
*nl_combis
;
738 nl_combis
= nla_nest_start(msg
,
739 NL80211_ATTR_INTERFACE_COMBINATIONS
);
741 goto nla_put_failure
;
743 for (i
= 0; i
< wiphy
->n_iface_combinations
; i
++) {
744 const struct ieee80211_iface_combination
*c
;
745 struct nlattr
*nl_combi
, *nl_limits
;
747 c
= &wiphy
->iface_combinations
[i
];
749 nl_combi
= nla_nest_start(msg
, i
+ 1);
751 goto nla_put_failure
;
753 nl_limits
= nla_nest_start(msg
, NL80211_IFACE_COMB_LIMITS
);
755 goto nla_put_failure
;
757 for (j
= 0; j
< c
->n_limits
; j
++) {
758 struct nlattr
*nl_limit
;
760 nl_limit
= nla_nest_start(msg
, j
+ 1);
762 goto nla_put_failure
;
763 if (nla_put_u32(msg
, NL80211_IFACE_LIMIT_MAX
,
765 goto nla_put_failure
;
766 if (nl80211_put_iftypes(msg
, NL80211_IFACE_LIMIT_TYPES
,
768 goto nla_put_failure
;
769 nla_nest_end(msg
, nl_limit
);
772 nla_nest_end(msg
, nl_limits
);
774 if (c
->beacon_int_infra_match
&&
775 nla_put_flag(msg
, NL80211_IFACE_COMB_STA_AP_BI_MATCH
))
776 goto nla_put_failure
;
777 if (nla_put_u32(msg
, NL80211_IFACE_COMB_NUM_CHANNELS
,
778 c
->num_different_channels
) ||
779 nla_put_u32(msg
, NL80211_IFACE_COMB_MAXNUM
,
781 goto nla_put_failure
;
783 nla_nest_end(msg
, nl_combi
);
786 nla_nest_end(msg
, nl_combis
);
793 static int nl80211_send_wiphy(struct sk_buff
*msg
, u32 pid
, u32 seq
, int flags
,
794 struct cfg80211_registered_device
*dev
)
797 struct nlattr
*nl_bands
, *nl_band
;
798 struct nlattr
*nl_freqs
, *nl_freq
;
799 struct nlattr
*nl_rates
, *nl_rate
;
800 struct nlattr
*nl_cmds
;
801 enum ieee80211_band band
;
802 struct ieee80211_channel
*chan
;
803 struct ieee80211_rate
*rate
;
805 const struct ieee80211_txrx_stypes
*mgmt_stypes
=
806 dev
->wiphy
.mgmt_stypes
;
808 hdr
= nl80211hdr_put(msg
, pid
, seq
, flags
, NL80211_CMD_NEW_WIPHY
);
812 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, dev
->wiphy_idx
) ||
813 nla_put_string(msg
, NL80211_ATTR_WIPHY_NAME
, wiphy_name(&dev
->wiphy
)) ||
814 nla_put_u32(msg
, NL80211_ATTR_GENERATION
,
815 cfg80211_rdev_list_generation
) ||
816 nla_put_u8(msg
, NL80211_ATTR_WIPHY_RETRY_SHORT
,
817 dev
->wiphy
.retry_short
) ||
818 nla_put_u8(msg
, NL80211_ATTR_WIPHY_RETRY_LONG
,
819 dev
->wiphy
.retry_long
) ||
820 nla_put_u32(msg
, NL80211_ATTR_WIPHY_FRAG_THRESHOLD
,
821 dev
->wiphy
.frag_threshold
) ||
822 nla_put_u32(msg
, NL80211_ATTR_WIPHY_RTS_THRESHOLD
,
823 dev
->wiphy
.rts_threshold
) ||
824 nla_put_u8(msg
, NL80211_ATTR_WIPHY_COVERAGE_CLASS
,
825 dev
->wiphy
.coverage_class
) ||
826 nla_put_u8(msg
, NL80211_ATTR_MAX_NUM_SCAN_SSIDS
,
827 dev
->wiphy
.max_scan_ssids
) ||
828 nla_put_u8(msg
, NL80211_ATTR_MAX_NUM_SCHED_SCAN_SSIDS
,
829 dev
->wiphy
.max_sched_scan_ssids
) ||
830 nla_put_u16(msg
, NL80211_ATTR_MAX_SCAN_IE_LEN
,
831 dev
->wiphy
.max_scan_ie_len
) ||
832 nla_put_u16(msg
, NL80211_ATTR_MAX_SCHED_SCAN_IE_LEN
,
833 dev
->wiphy
.max_sched_scan_ie_len
) ||
834 nla_put_u8(msg
, NL80211_ATTR_MAX_MATCH_SETS
,
835 dev
->wiphy
.max_match_sets
))
836 goto nla_put_failure
;
838 if ((dev
->wiphy
.flags
& WIPHY_FLAG_IBSS_RSN
) &&
839 nla_put_flag(msg
, NL80211_ATTR_SUPPORT_IBSS_RSN
))
840 goto nla_put_failure
;
841 if ((dev
->wiphy
.flags
& WIPHY_FLAG_MESH_AUTH
) &&
842 nla_put_flag(msg
, NL80211_ATTR_SUPPORT_MESH_AUTH
))
843 goto nla_put_failure
;
844 if ((dev
->wiphy
.flags
& WIPHY_FLAG_AP_UAPSD
) &&
845 nla_put_flag(msg
, NL80211_ATTR_SUPPORT_AP_UAPSD
))
846 goto nla_put_failure
;
847 if ((dev
->wiphy
.flags
& WIPHY_FLAG_SUPPORTS_FW_ROAM
) &&
848 nla_put_flag(msg
, NL80211_ATTR_ROAM_SUPPORT
))
849 goto nla_put_failure
;
850 if ((dev
->wiphy
.flags
& WIPHY_FLAG_SUPPORTS_TDLS
) &&
851 nla_put_flag(msg
, NL80211_ATTR_TDLS_SUPPORT
))
852 goto nla_put_failure
;
853 if ((dev
->wiphy
.flags
& WIPHY_FLAG_TDLS_EXTERNAL_SETUP
) &&
854 nla_put_flag(msg
, NL80211_ATTR_TDLS_EXTERNAL_SETUP
))
855 goto nla_put_failure
;
857 if (nla_put(msg
, NL80211_ATTR_CIPHER_SUITES
,
858 sizeof(u32
) * dev
->wiphy
.n_cipher_suites
,
859 dev
->wiphy
.cipher_suites
))
860 goto nla_put_failure
;
862 if (nla_put_u8(msg
, NL80211_ATTR_MAX_NUM_PMKIDS
,
863 dev
->wiphy
.max_num_pmkids
))
864 goto nla_put_failure
;
866 if ((dev
->wiphy
.flags
& WIPHY_FLAG_CONTROL_PORT_PROTOCOL
) &&
867 nla_put_flag(msg
, NL80211_ATTR_CONTROL_PORT_ETHERTYPE
))
868 goto nla_put_failure
;
870 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY_ANTENNA_AVAIL_TX
,
871 dev
->wiphy
.available_antennas_tx
) ||
872 nla_put_u32(msg
, NL80211_ATTR_WIPHY_ANTENNA_AVAIL_RX
,
873 dev
->wiphy
.available_antennas_rx
))
874 goto nla_put_failure
;
876 if ((dev
->wiphy
.flags
& WIPHY_FLAG_AP_PROBE_RESP_OFFLOAD
) &&
877 nla_put_u32(msg
, NL80211_ATTR_PROBE_RESP_OFFLOAD
,
878 dev
->wiphy
.probe_resp_offload
))
879 goto nla_put_failure
;
881 if ((dev
->wiphy
.available_antennas_tx
||
882 dev
->wiphy
.available_antennas_rx
) && dev
->ops
->get_antenna
) {
883 u32 tx_ant
= 0, rx_ant
= 0;
885 res
= dev
->ops
->get_antenna(&dev
->wiphy
, &tx_ant
, &rx_ant
);
887 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY_ANTENNA_TX
,
889 nla_put_u32(msg
, NL80211_ATTR_WIPHY_ANTENNA_RX
,
891 goto nla_put_failure
;
895 if (nl80211_put_iftypes(msg
, NL80211_ATTR_SUPPORTED_IFTYPES
,
896 dev
->wiphy
.interface_modes
))
897 goto nla_put_failure
;
899 nl_bands
= nla_nest_start(msg
, NL80211_ATTR_WIPHY_BANDS
);
901 goto nla_put_failure
;
903 for (band
= 0; band
< IEEE80211_NUM_BANDS
; band
++) {
904 if (!dev
->wiphy
.bands
[band
])
907 nl_band
= nla_nest_start(msg
, band
);
909 goto nla_put_failure
;
912 if (dev
->wiphy
.bands
[band
]->ht_cap
.ht_supported
&&
913 (nla_put(msg
, NL80211_BAND_ATTR_HT_MCS_SET
,
914 sizeof(dev
->wiphy
.bands
[band
]->ht_cap
.mcs
),
915 &dev
->wiphy
.bands
[band
]->ht_cap
.mcs
) ||
916 nla_put_u16(msg
, NL80211_BAND_ATTR_HT_CAPA
,
917 dev
->wiphy
.bands
[band
]->ht_cap
.cap
) ||
918 nla_put_u8(msg
, NL80211_BAND_ATTR_HT_AMPDU_FACTOR
,
919 dev
->wiphy
.bands
[band
]->ht_cap
.ampdu_factor
) ||
920 nla_put_u8(msg
, NL80211_BAND_ATTR_HT_AMPDU_DENSITY
,
921 dev
->wiphy
.bands
[band
]->ht_cap
.ampdu_density
)))
922 goto nla_put_failure
;
925 if (dev
->wiphy
.bands
[band
]->vht_cap
.vht_supported
&&
926 (nla_put(msg
, NL80211_BAND_ATTR_VHT_MCS_SET
,
927 sizeof(dev
->wiphy
.bands
[band
]->vht_cap
.vht_mcs
),
928 &dev
->wiphy
.bands
[band
]->vht_cap
.vht_mcs
) ||
929 nla_put_u32(msg
, NL80211_BAND_ATTR_VHT_CAPA
,
930 dev
->wiphy
.bands
[band
]->vht_cap
.cap
)))
931 goto nla_put_failure
;
933 /* add frequencies */
934 nl_freqs
= nla_nest_start(msg
, NL80211_BAND_ATTR_FREQS
);
936 goto nla_put_failure
;
938 for (i
= 0; i
< dev
->wiphy
.bands
[band
]->n_channels
; i
++) {
939 nl_freq
= nla_nest_start(msg
, i
);
941 goto nla_put_failure
;
943 chan
= &dev
->wiphy
.bands
[band
]->channels
[i
];
945 if (nl80211_msg_put_channel(msg
, chan
))
946 goto nla_put_failure
;
948 nla_nest_end(msg
, nl_freq
);
951 nla_nest_end(msg
, nl_freqs
);
954 nl_rates
= nla_nest_start(msg
, NL80211_BAND_ATTR_RATES
);
956 goto nla_put_failure
;
958 for (i
= 0; i
< dev
->wiphy
.bands
[band
]->n_bitrates
; i
++) {
959 nl_rate
= nla_nest_start(msg
, i
);
961 goto nla_put_failure
;
963 rate
= &dev
->wiphy
.bands
[band
]->bitrates
[i
];
964 if (nla_put_u32(msg
, NL80211_BITRATE_ATTR_RATE
,
966 goto nla_put_failure
;
967 if ((rate
->flags
& IEEE80211_RATE_SHORT_PREAMBLE
) &&
969 NL80211_BITRATE_ATTR_2GHZ_SHORTPREAMBLE
))
970 goto nla_put_failure
;
972 nla_nest_end(msg
, nl_rate
);
975 nla_nest_end(msg
, nl_rates
);
977 nla_nest_end(msg
, nl_band
);
979 nla_nest_end(msg
, nl_bands
);
981 nl_cmds
= nla_nest_start(msg
, NL80211_ATTR_SUPPORTED_COMMANDS
);
983 goto nla_put_failure
;
988 if (dev->ops->op) { \
990 if (nla_put_u32(msg, i, NL80211_CMD_ ## n)) \
991 goto nla_put_failure; \
995 CMD(add_virtual_intf
, NEW_INTERFACE
);
996 CMD(change_virtual_intf
, SET_INTERFACE
);
997 CMD(add_key
, NEW_KEY
);
998 CMD(start_ap
, START_AP
);
999 CMD(add_station
, NEW_STATION
);
1000 CMD(add_mpath
, NEW_MPATH
);
1001 CMD(update_mesh_config
, SET_MESH_CONFIG
);
1002 CMD(change_bss
, SET_BSS
);
1003 CMD(auth
, AUTHENTICATE
);
1004 CMD(assoc
, ASSOCIATE
);
1005 CMD(deauth
, DEAUTHENTICATE
);
1006 CMD(disassoc
, DISASSOCIATE
);
1007 CMD(join_ibss
, JOIN_IBSS
);
1008 CMD(join_mesh
, JOIN_MESH
);
1009 CMD(set_pmksa
, SET_PMKSA
);
1010 CMD(del_pmksa
, DEL_PMKSA
);
1011 CMD(flush_pmksa
, FLUSH_PMKSA
);
1012 if (dev
->wiphy
.flags
& WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL
)
1013 CMD(remain_on_channel
, REMAIN_ON_CHANNEL
);
1014 CMD(set_bitrate_mask
, SET_TX_BITRATE_MASK
);
1015 CMD(mgmt_tx
, FRAME
);
1016 CMD(mgmt_tx_cancel_wait
, FRAME_WAIT_CANCEL
);
1017 if (dev
->wiphy
.flags
& WIPHY_FLAG_NETNS_OK
) {
1019 if (nla_put_u32(msg
, i
, NL80211_CMD_SET_WIPHY_NETNS
))
1020 goto nla_put_failure
;
1022 if (dev
->ops
->set_monitor_channel
|| dev
->ops
->start_ap
||
1023 dev
->ops
->join_mesh
) {
1025 if (nla_put_u32(msg
, i
, NL80211_CMD_SET_CHANNEL
))
1026 goto nla_put_failure
;
1028 CMD(set_wds_peer
, SET_WDS_PEER
);
1029 if (dev
->wiphy
.flags
& WIPHY_FLAG_SUPPORTS_TDLS
) {
1030 CMD(tdls_mgmt
, TDLS_MGMT
);
1031 CMD(tdls_oper
, TDLS_OPER
);
1033 if (dev
->wiphy
.flags
& WIPHY_FLAG_SUPPORTS_SCHED_SCAN
)
1034 CMD(sched_scan_start
, START_SCHED_SCAN
);
1035 CMD(probe_client
, PROBE_CLIENT
);
1036 CMD(set_noack_map
, SET_NOACK_MAP
);
1037 if (dev
->wiphy
.flags
& WIPHY_FLAG_REPORTS_OBSS
) {
1039 if (nla_put_u32(msg
, i
, NL80211_CMD_REGISTER_BEACONS
))
1040 goto nla_put_failure
;
1043 #ifdef CONFIG_NL80211_TESTMODE
1044 CMD(testmode_cmd
, TESTMODE
);
1049 if (dev
->ops
->connect
|| dev
->ops
->auth
) {
1051 if (nla_put_u32(msg
, i
, NL80211_CMD_CONNECT
))
1052 goto nla_put_failure
;
1055 if (dev
->ops
->disconnect
|| dev
->ops
->deauth
) {
1057 if (nla_put_u32(msg
, i
, NL80211_CMD_DISCONNECT
))
1058 goto nla_put_failure
;
1061 nla_nest_end(msg
, nl_cmds
);
1063 if (dev
->ops
->remain_on_channel
&&
1064 (dev
->wiphy
.flags
& WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL
) &&
1065 nla_put_u32(msg
, NL80211_ATTR_MAX_REMAIN_ON_CHANNEL_DURATION
,
1066 dev
->wiphy
.max_remain_on_channel_duration
))
1067 goto nla_put_failure
;
1069 if ((dev
->wiphy
.flags
& WIPHY_FLAG_OFFCHAN_TX
) &&
1070 nla_put_flag(msg
, NL80211_ATTR_OFFCHANNEL_TX_OK
))
1071 goto nla_put_failure
;
1075 struct nlattr
*nl_ftypes
, *nl_ifs
;
1076 enum nl80211_iftype ift
;
1078 nl_ifs
= nla_nest_start(msg
, NL80211_ATTR_TX_FRAME_TYPES
);
1080 goto nla_put_failure
;
1082 for (ift
= 0; ift
< NUM_NL80211_IFTYPES
; ift
++) {
1083 nl_ftypes
= nla_nest_start(msg
, ift
);
1085 goto nla_put_failure
;
1087 stypes
= mgmt_stypes
[ift
].tx
;
1090 nla_put_u16(msg
, NL80211_ATTR_FRAME_TYPE
,
1091 (i
<< 4) | IEEE80211_FTYPE_MGMT
))
1092 goto nla_put_failure
;
1096 nla_nest_end(msg
, nl_ftypes
);
1099 nla_nest_end(msg
, nl_ifs
);
1101 nl_ifs
= nla_nest_start(msg
, NL80211_ATTR_RX_FRAME_TYPES
);
1103 goto nla_put_failure
;
1105 for (ift
= 0; ift
< NUM_NL80211_IFTYPES
; ift
++) {
1106 nl_ftypes
= nla_nest_start(msg
, ift
);
1108 goto nla_put_failure
;
1110 stypes
= mgmt_stypes
[ift
].rx
;
1113 nla_put_u16(msg
, NL80211_ATTR_FRAME_TYPE
,
1114 (i
<< 4) | IEEE80211_FTYPE_MGMT
))
1115 goto nla_put_failure
;
1119 nla_nest_end(msg
, nl_ftypes
);
1121 nla_nest_end(msg
, nl_ifs
);
1125 if (dev
->wiphy
.wowlan
.flags
|| dev
->wiphy
.wowlan
.n_patterns
) {
1126 struct nlattr
*nl_wowlan
;
1128 nl_wowlan
= nla_nest_start(msg
,
1129 NL80211_ATTR_WOWLAN_TRIGGERS_SUPPORTED
);
1131 goto nla_put_failure
;
1133 if (((dev
->wiphy
.wowlan
.flags
& WIPHY_WOWLAN_ANY
) &&
1134 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_ANY
)) ||
1135 ((dev
->wiphy
.wowlan
.flags
& WIPHY_WOWLAN_DISCONNECT
) &&
1136 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_DISCONNECT
)) ||
1137 ((dev
->wiphy
.wowlan
.flags
& WIPHY_WOWLAN_MAGIC_PKT
) &&
1138 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_MAGIC_PKT
)) ||
1139 ((dev
->wiphy
.wowlan
.flags
& WIPHY_WOWLAN_SUPPORTS_GTK_REKEY
) &&
1140 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_GTK_REKEY_SUPPORTED
)) ||
1141 ((dev
->wiphy
.wowlan
.flags
& WIPHY_WOWLAN_GTK_REKEY_FAILURE
) &&
1142 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_GTK_REKEY_FAILURE
)) ||
1143 ((dev
->wiphy
.wowlan
.flags
& WIPHY_WOWLAN_EAP_IDENTITY_REQ
) &&
1144 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_EAP_IDENT_REQUEST
)) ||
1145 ((dev
->wiphy
.wowlan
.flags
& WIPHY_WOWLAN_4WAY_HANDSHAKE
) &&
1146 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_4WAY_HANDSHAKE
)) ||
1147 ((dev
->wiphy
.wowlan
.flags
& WIPHY_WOWLAN_RFKILL_RELEASE
) &&
1148 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_RFKILL_RELEASE
)))
1149 goto nla_put_failure
;
1150 if (dev
->wiphy
.wowlan
.n_patterns
) {
1151 struct nl80211_wowlan_pattern_support pat
= {
1152 .max_patterns
= dev
->wiphy
.wowlan
.n_patterns
,
1154 dev
->wiphy
.wowlan
.pattern_min_len
,
1156 dev
->wiphy
.wowlan
.pattern_max_len
,
1158 if (nla_put(msg
, NL80211_WOWLAN_TRIG_PKT_PATTERN
,
1160 goto nla_put_failure
;
1163 nla_nest_end(msg
, nl_wowlan
);
1167 if (nl80211_put_iftypes(msg
, NL80211_ATTR_SOFTWARE_IFTYPES
,
1168 dev
->wiphy
.software_iftypes
))
1169 goto nla_put_failure
;
1171 if (nl80211_put_iface_combinations(&dev
->wiphy
, msg
))
1172 goto nla_put_failure
;
1174 if ((dev
->wiphy
.flags
& WIPHY_FLAG_HAVE_AP_SME
) &&
1175 nla_put_u32(msg
, NL80211_ATTR_DEVICE_AP_SME
,
1176 dev
->wiphy
.ap_sme_capa
))
1177 goto nla_put_failure
;
1179 if (nla_put_u32(msg
, NL80211_ATTR_FEATURE_FLAGS
,
1180 dev
->wiphy
.features
))
1181 goto nla_put_failure
;
1183 if (dev
->wiphy
.ht_capa_mod_mask
&&
1184 nla_put(msg
, NL80211_ATTR_HT_CAPABILITY_MASK
,
1185 sizeof(*dev
->wiphy
.ht_capa_mod_mask
),
1186 dev
->wiphy
.ht_capa_mod_mask
))
1187 goto nla_put_failure
;
1189 return genlmsg_end(msg
, hdr
);
1192 genlmsg_cancel(msg
, hdr
);
1196 static int nl80211_dump_wiphy(struct sk_buff
*skb
, struct netlink_callback
*cb
)
1199 int start
= cb
->args
[0];
1200 struct cfg80211_registered_device
*dev
;
1202 mutex_lock(&cfg80211_mutex
);
1203 list_for_each_entry(dev
, &cfg80211_rdev_list
, list
) {
1204 if (!net_eq(wiphy_net(&dev
->wiphy
), sock_net(skb
->sk
)))
1208 if (nl80211_send_wiphy(skb
, NETLINK_CB(cb
->skb
).pid
,
1209 cb
->nlh
->nlmsg_seq
, NLM_F_MULTI
,
1215 mutex_unlock(&cfg80211_mutex
);
1222 static int nl80211_get_wiphy(struct sk_buff
*skb
, struct genl_info
*info
)
1224 struct sk_buff
*msg
;
1225 struct cfg80211_registered_device
*dev
= info
->user_ptr
[0];
1227 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
1231 if (nl80211_send_wiphy(msg
, info
->snd_pid
, info
->snd_seq
, 0, dev
) < 0) {
1236 return genlmsg_reply(msg
, info
);
1239 static const struct nla_policy txq_params_policy
[NL80211_TXQ_ATTR_MAX
+ 1] = {
1240 [NL80211_TXQ_ATTR_QUEUE
] = { .type
= NLA_U8
},
1241 [NL80211_TXQ_ATTR_TXOP
] = { .type
= NLA_U16
},
1242 [NL80211_TXQ_ATTR_CWMIN
] = { .type
= NLA_U16
},
1243 [NL80211_TXQ_ATTR_CWMAX
] = { .type
= NLA_U16
},
1244 [NL80211_TXQ_ATTR_AIFS
] = { .type
= NLA_U8
},
1247 static int parse_txq_params(struct nlattr
*tb
[],
1248 struct ieee80211_txq_params
*txq_params
)
1250 if (!tb
[NL80211_TXQ_ATTR_AC
] || !tb
[NL80211_TXQ_ATTR_TXOP
] ||
1251 !tb
[NL80211_TXQ_ATTR_CWMIN
] || !tb
[NL80211_TXQ_ATTR_CWMAX
] ||
1252 !tb
[NL80211_TXQ_ATTR_AIFS
])
1255 txq_params
->ac
= nla_get_u8(tb
[NL80211_TXQ_ATTR_AC
]);
1256 txq_params
->txop
= nla_get_u16(tb
[NL80211_TXQ_ATTR_TXOP
]);
1257 txq_params
->cwmin
= nla_get_u16(tb
[NL80211_TXQ_ATTR_CWMIN
]);
1258 txq_params
->cwmax
= nla_get_u16(tb
[NL80211_TXQ_ATTR_CWMAX
]);
1259 txq_params
->aifs
= nla_get_u8(tb
[NL80211_TXQ_ATTR_AIFS
]);
1261 if (txq_params
->ac
>= NL80211_NUM_ACS
)
1267 static bool nl80211_can_set_dev_channel(struct wireless_dev
*wdev
)
1270 * You can only set the channel explicitly for WDS interfaces,
1271 * all others have their channel managed via their respective
1272 * "establish a connection" command (connect, join, ...)
1274 * For AP/GO and mesh mode, the channel can be set with the
1275 * channel userspace API, but is only stored and passed to the
1276 * low-level driver when the AP starts or the mesh is joined.
1277 * This is for backward compatibility, userspace can also give
1278 * the channel in the start-ap or join-mesh commands instead.
1280 * Monitors are special as they are normally slaved to
1281 * whatever else is going on, so they have their own special
1282 * operation to set the monitor channel if possible.
1285 wdev
->iftype
== NL80211_IFTYPE_AP
||
1286 wdev
->iftype
== NL80211_IFTYPE_MESH_POINT
||
1287 wdev
->iftype
== NL80211_IFTYPE_MONITOR
||
1288 wdev
->iftype
== NL80211_IFTYPE_P2P_GO
;
1291 static bool nl80211_valid_channel_type(struct genl_info
*info
,
1292 enum nl80211_channel_type
*channel_type
)
1294 enum nl80211_channel_type tmp
;
1296 if (!info
->attrs
[NL80211_ATTR_WIPHY_CHANNEL_TYPE
])
1299 tmp
= nla_get_u32(info
->attrs
[NL80211_ATTR_WIPHY_CHANNEL_TYPE
]);
1300 if (tmp
!= NL80211_CHAN_NO_HT
&&
1301 tmp
!= NL80211_CHAN_HT20
&&
1302 tmp
!= NL80211_CHAN_HT40PLUS
&&
1303 tmp
!= NL80211_CHAN_HT40MINUS
)
1307 *channel_type
= tmp
;
1312 static int __nl80211_set_channel(struct cfg80211_registered_device
*rdev
,
1313 struct wireless_dev
*wdev
,
1314 struct genl_info
*info
)
1316 struct ieee80211_channel
*channel
;
1317 enum nl80211_channel_type channel_type
= NL80211_CHAN_NO_HT
;
1320 enum nl80211_iftype iftype
= NL80211_IFTYPE_MONITOR
;
1323 iftype
= wdev
->iftype
;
1325 if (!info
->attrs
[NL80211_ATTR_WIPHY_FREQ
])
1328 if (!nl80211_can_set_dev_channel(wdev
))
1331 if (info
->attrs
[NL80211_ATTR_WIPHY_CHANNEL_TYPE
] &&
1332 !nl80211_valid_channel_type(info
, &channel_type
))
1335 freq
= nla_get_u32(info
->attrs
[NL80211_ATTR_WIPHY_FREQ
]);
1337 mutex_lock(&rdev
->devlist_mtx
);
1339 case NL80211_IFTYPE_AP
:
1340 case NL80211_IFTYPE_P2P_GO
:
1341 if (wdev
->beacon_interval
) {
1345 channel
= rdev_freq_to_chan(rdev
, freq
, channel_type
);
1346 if (!channel
|| !cfg80211_can_beacon_sec_chan(&rdev
->wiphy
,
1352 wdev
->preset_chan
= channel
;
1353 wdev
->preset_chantype
= channel_type
;
1356 case NL80211_IFTYPE_MESH_POINT
:
1357 result
= cfg80211_set_mesh_freq(rdev
, wdev
, freq
, channel_type
);
1359 case NL80211_IFTYPE_MONITOR
:
1360 result
= cfg80211_set_monitor_channel(rdev
, freq
, channel_type
);
1365 mutex_unlock(&rdev
->devlist_mtx
);
1370 static int nl80211_set_channel(struct sk_buff
*skb
, struct genl_info
*info
)
1372 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
1373 struct net_device
*netdev
= info
->user_ptr
[1];
1375 return __nl80211_set_channel(rdev
, netdev
->ieee80211_ptr
, info
);
1378 static int nl80211_set_wds_peer(struct sk_buff
*skb
, struct genl_info
*info
)
1380 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
1381 struct net_device
*dev
= info
->user_ptr
[1];
1382 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
1385 if (!info
->attrs
[NL80211_ATTR_MAC
])
1388 if (netif_running(dev
))
1391 if (!rdev
->ops
->set_wds_peer
)
1394 if (wdev
->iftype
!= NL80211_IFTYPE_WDS
)
1397 bssid
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
1398 return rdev
->ops
->set_wds_peer(wdev
->wiphy
, dev
, bssid
);
1402 static int nl80211_set_wiphy(struct sk_buff
*skb
, struct genl_info
*info
)
1404 struct cfg80211_registered_device
*rdev
;
1405 struct net_device
*netdev
= NULL
;
1406 struct wireless_dev
*wdev
;
1407 int result
= 0, rem_txq_params
= 0;
1408 struct nlattr
*nl_txq_params
;
1410 u8 retry_short
= 0, retry_long
= 0;
1411 u32 frag_threshold
= 0, rts_threshold
= 0;
1412 u8 coverage_class
= 0;
1415 * Try to find the wiphy and netdev. Normally this
1416 * function shouldn't need the netdev, but this is
1417 * done for backward compatibility -- previously
1418 * setting the channel was done per wiphy, but now
1419 * it is per netdev. Previous userland like hostapd
1420 * also passed a netdev to set_wiphy, so that it is
1421 * possible to let that go to the right netdev!
1423 mutex_lock(&cfg80211_mutex
);
1425 if (info
->attrs
[NL80211_ATTR_IFINDEX
]) {
1426 int ifindex
= nla_get_u32(info
->attrs
[NL80211_ATTR_IFINDEX
]);
1428 netdev
= dev_get_by_index(genl_info_net(info
), ifindex
);
1429 if (netdev
&& netdev
->ieee80211_ptr
) {
1430 rdev
= wiphy_to_dev(netdev
->ieee80211_ptr
->wiphy
);
1431 mutex_lock(&rdev
->mtx
);
1437 rdev
= __cfg80211_rdev_from_attrs(genl_info_net(info
),
1440 mutex_unlock(&cfg80211_mutex
);
1441 return PTR_ERR(rdev
);
1447 mutex_lock(&rdev
->mtx
);
1448 } else if (nl80211_can_set_dev_channel(netdev
->ieee80211_ptr
))
1449 wdev
= netdev
->ieee80211_ptr
;
1454 * end workaround code, by now the rdev is available
1455 * and locked, and wdev may or may not be NULL.
1458 if (info
->attrs
[NL80211_ATTR_WIPHY_NAME
])
1459 result
= cfg80211_dev_rename(
1460 rdev
, nla_data(info
->attrs
[NL80211_ATTR_WIPHY_NAME
]));
1462 mutex_unlock(&cfg80211_mutex
);
1467 if (info
->attrs
[NL80211_ATTR_WIPHY_TXQ_PARAMS
]) {
1468 struct ieee80211_txq_params txq_params
;
1469 struct nlattr
*tb
[NL80211_TXQ_ATTR_MAX
+ 1];
1471 if (!rdev
->ops
->set_txq_params
) {
1472 result
= -EOPNOTSUPP
;
1481 if (netdev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_AP
&&
1482 netdev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_GO
) {
1487 if (!netif_running(netdev
)) {
1492 nla_for_each_nested(nl_txq_params
,
1493 info
->attrs
[NL80211_ATTR_WIPHY_TXQ_PARAMS
],
1495 nla_parse(tb
, NL80211_TXQ_ATTR_MAX
,
1496 nla_data(nl_txq_params
),
1497 nla_len(nl_txq_params
),
1499 result
= parse_txq_params(tb
, &txq_params
);
1503 result
= rdev
->ops
->set_txq_params(&rdev
->wiphy
,
1511 if (info
->attrs
[NL80211_ATTR_WIPHY_FREQ
]) {
1512 result
= __nl80211_set_channel(rdev
, wdev
, info
);
1517 if (info
->attrs
[NL80211_ATTR_WIPHY_TX_POWER_SETTING
]) {
1518 enum nl80211_tx_power_setting type
;
1521 if (!rdev
->ops
->set_tx_power
) {
1522 result
= -EOPNOTSUPP
;
1526 idx
= NL80211_ATTR_WIPHY_TX_POWER_SETTING
;
1527 type
= nla_get_u32(info
->attrs
[idx
]);
1529 if (!info
->attrs
[NL80211_ATTR_WIPHY_TX_POWER_LEVEL
] &&
1530 (type
!= NL80211_TX_POWER_AUTOMATIC
)) {
1535 if (type
!= NL80211_TX_POWER_AUTOMATIC
) {
1536 idx
= NL80211_ATTR_WIPHY_TX_POWER_LEVEL
;
1537 mbm
= nla_get_u32(info
->attrs
[idx
]);
1540 result
= rdev
->ops
->set_tx_power(&rdev
->wiphy
, type
, mbm
);
1545 if (info
->attrs
[NL80211_ATTR_WIPHY_ANTENNA_TX
] &&
1546 info
->attrs
[NL80211_ATTR_WIPHY_ANTENNA_RX
]) {
1548 if ((!rdev
->wiphy
.available_antennas_tx
&&
1549 !rdev
->wiphy
.available_antennas_rx
) ||
1550 !rdev
->ops
->set_antenna
) {
1551 result
= -EOPNOTSUPP
;
1555 tx_ant
= nla_get_u32(info
->attrs
[NL80211_ATTR_WIPHY_ANTENNA_TX
]);
1556 rx_ant
= nla_get_u32(info
->attrs
[NL80211_ATTR_WIPHY_ANTENNA_RX
]);
1558 /* reject antenna configurations which don't match the
1559 * available antenna masks, except for the "all" mask */
1560 if ((~tx_ant
&& (tx_ant
& ~rdev
->wiphy
.available_antennas_tx
)) ||
1561 (~rx_ant
&& (rx_ant
& ~rdev
->wiphy
.available_antennas_rx
))) {
1566 tx_ant
= tx_ant
& rdev
->wiphy
.available_antennas_tx
;
1567 rx_ant
= rx_ant
& rdev
->wiphy
.available_antennas_rx
;
1569 result
= rdev
->ops
->set_antenna(&rdev
->wiphy
, tx_ant
, rx_ant
);
1576 if (info
->attrs
[NL80211_ATTR_WIPHY_RETRY_SHORT
]) {
1577 retry_short
= nla_get_u8(
1578 info
->attrs
[NL80211_ATTR_WIPHY_RETRY_SHORT
]);
1579 if (retry_short
== 0) {
1583 changed
|= WIPHY_PARAM_RETRY_SHORT
;
1586 if (info
->attrs
[NL80211_ATTR_WIPHY_RETRY_LONG
]) {
1587 retry_long
= nla_get_u8(
1588 info
->attrs
[NL80211_ATTR_WIPHY_RETRY_LONG
]);
1589 if (retry_long
== 0) {
1593 changed
|= WIPHY_PARAM_RETRY_LONG
;
1596 if (info
->attrs
[NL80211_ATTR_WIPHY_FRAG_THRESHOLD
]) {
1597 frag_threshold
= nla_get_u32(
1598 info
->attrs
[NL80211_ATTR_WIPHY_FRAG_THRESHOLD
]);
1599 if (frag_threshold
< 256) {
1603 if (frag_threshold
!= (u32
) -1) {
1605 * Fragments (apart from the last one) are required to
1606 * have even length. Make the fragmentation code
1607 * simpler by stripping LSB should someone try to use
1608 * odd threshold value.
1610 frag_threshold
&= ~0x1;
1612 changed
|= WIPHY_PARAM_FRAG_THRESHOLD
;
1615 if (info
->attrs
[NL80211_ATTR_WIPHY_RTS_THRESHOLD
]) {
1616 rts_threshold
= nla_get_u32(
1617 info
->attrs
[NL80211_ATTR_WIPHY_RTS_THRESHOLD
]);
1618 changed
|= WIPHY_PARAM_RTS_THRESHOLD
;
1621 if (info
->attrs
[NL80211_ATTR_WIPHY_COVERAGE_CLASS
]) {
1622 coverage_class
= nla_get_u8(
1623 info
->attrs
[NL80211_ATTR_WIPHY_COVERAGE_CLASS
]);
1624 changed
|= WIPHY_PARAM_COVERAGE_CLASS
;
1628 u8 old_retry_short
, old_retry_long
;
1629 u32 old_frag_threshold
, old_rts_threshold
;
1630 u8 old_coverage_class
;
1632 if (!rdev
->ops
->set_wiphy_params
) {
1633 result
= -EOPNOTSUPP
;
1637 old_retry_short
= rdev
->wiphy
.retry_short
;
1638 old_retry_long
= rdev
->wiphy
.retry_long
;
1639 old_frag_threshold
= rdev
->wiphy
.frag_threshold
;
1640 old_rts_threshold
= rdev
->wiphy
.rts_threshold
;
1641 old_coverage_class
= rdev
->wiphy
.coverage_class
;
1643 if (changed
& WIPHY_PARAM_RETRY_SHORT
)
1644 rdev
->wiphy
.retry_short
= retry_short
;
1645 if (changed
& WIPHY_PARAM_RETRY_LONG
)
1646 rdev
->wiphy
.retry_long
= retry_long
;
1647 if (changed
& WIPHY_PARAM_FRAG_THRESHOLD
)
1648 rdev
->wiphy
.frag_threshold
= frag_threshold
;
1649 if (changed
& WIPHY_PARAM_RTS_THRESHOLD
)
1650 rdev
->wiphy
.rts_threshold
= rts_threshold
;
1651 if (changed
& WIPHY_PARAM_COVERAGE_CLASS
)
1652 rdev
->wiphy
.coverage_class
= coverage_class
;
1654 result
= rdev
->ops
->set_wiphy_params(&rdev
->wiphy
, changed
);
1656 rdev
->wiphy
.retry_short
= old_retry_short
;
1657 rdev
->wiphy
.retry_long
= old_retry_long
;
1658 rdev
->wiphy
.frag_threshold
= old_frag_threshold
;
1659 rdev
->wiphy
.rts_threshold
= old_rts_threshold
;
1660 rdev
->wiphy
.coverage_class
= old_coverage_class
;
1665 mutex_unlock(&rdev
->mtx
);
1672 static int nl80211_send_iface(struct sk_buff
*msg
, u32 pid
, u32 seq
, int flags
,
1673 struct cfg80211_registered_device
*rdev
,
1674 struct net_device
*dev
)
1678 hdr
= nl80211hdr_put(msg
, pid
, seq
, flags
, NL80211_CMD_NEW_INTERFACE
);
1682 if (nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, dev
->ifindex
) ||
1683 nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
1684 nla_put_string(msg
, NL80211_ATTR_IFNAME
, dev
->name
) ||
1685 nla_put_u32(msg
, NL80211_ATTR_IFTYPE
,
1686 dev
->ieee80211_ptr
->iftype
) ||
1687 nla_put_u32(msg
, NL80211_ATTR_GENERATION
,
1688 rdev
->devlist_generation
^
1689 (cfg80211_rdev_list_generation
<< 2)))
1690 goto nla_put_failure
;
1692 if (rdev
->monitor_channel
) {
1693 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY_FREQ
,
1694 rdev
->monitor_channel
->center_freq
) ||
1695 nla_put_u32(msg
, NL80211_ATTR_WIPHY_CHANNEL_TYPE
,
1696 rdev
->monitor_channel_type
))
1697 goto nla_put_failure
;
1700 return genlmsg_end(msg
, hdr
);
1703 genlmsg_cancel(msg
, hdr
);
1707 static int nl80211_dump_interface(struct sk_buff
*skb
, struct netlink_callback
*cb
)
1711 int wp_start
= cb
->args
[0];
1712 int if_start
= cb
->args
[1];
1713 struct cfg80211_registered_device
*rdev
;
1714 struct wireless_dev
*wdev
;
1716 mutex_lock(&cfg80211_mutex
);
1717 list_for_each_entry(rdev
, &cfg80211_rdev_list
, list
) {
1718 if (!net_eq(wiphy_net(&rdev
->wiphy
), sock_net(skb
->sk
)))
1720 if (wp_idx
< wp_start
) {
1726 mutex_lock(&rdev
->devlist_mtx
);
1727 list_for_each_entry(wdev
, &rdev
->netdev_list
, list
) {
1728 if (if_idx
< if_start
) {
1732 if (nl80211_send_iface(skb
, NETLINK_CB(cb
->skb
).pid
,
1733 cb
->nlh
->nlmsg_seq
, NLM_F_MULTI
,
1734 rdev
, wdev
->netdev
) < 0) {
1735 mutex_unlock(&rdev
->devlist_mtx
);
1740 mutex_unlock(&rdev
->devlist_mtx
);
1745 mutex_unlock(&cfg80211_mutex
);
1747 cb
->args
[0] = wp_idx
;
1748 cb
->args
[1] = if_idx
;
1753 static int nl80211_get_interface(struct sk_buff
*skb
, struct genl_info
*info
)
1755 struct sk_buff
*msg
;
1756 struct cfg80211_registered_device
*dev
= info
->user_ptr
[0];
1757 struct net_device
*netdev
= info
->user_ptr
[1];
1759 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
1763 if (nl80211_send_iface(msg
, info
->snd_pid
, info
->snd_seq
, 0,
1769 return genlmsg_reply(msg
, info
);
1772 static const struct nla_policy mntr_flags_policy
[NL80211_MNTR_FLAG_MAX
+ 1] = {
1773 [NL80211_MNTR_FLAG_FCSFAIL
] = { .type
= NLA_FLAG
},
1774 [NL80211_MNTR_FLAG_PLCPFAIL
] = { .type
= NLA_FLAG
},
1775 [NL80211_MNTR_FLAG_CONTROL
] = { .type
= NLA_FLAG
},
1776 [NL80211_MNTR_FLAG_OTHER_BSS
] = { .type
= NLA_FLAG
},
1777 [NL80211_MNTR_FLAG_COOK_FRAMES
] = { .type
= NLA_FLAG
},
1780 static int parse_monitor_flags(struct nlattr
*nla
, u32
*mntrflags
)
1782 struct nlattr
*flags
[NL80211_MNTR_FLAG_MAX
+ 1];
1790 if (nla_parse_nested(flags
, NL80211_MNTR_FLAG_MAX
,
1791 nla
, mntr_flags_policy
))
1794 for (flag
= 1; flag
<= NL80211_MNTR_FLAG_MAX
; flag
++)
1796 *mntrflags
|= (1<<flag
);
1801 static int nl80211_valid_4addr(struct cfg80211_registered_device
*rdev
,
1802 struct net_device
*netdev
, u8 use_4addr
,
1803 enum nl80211_iftype iftype
)
1806 if (netdev
&& (netdev
->priv_flags
& IFF_BRIDGE_PORT
))
1812 case NL80211_IFTYPE_AP_VLAN
:
1813 if (rdev
->wiphy
.flags
& WIPHY_FLAG_4ADDR_AP
)
1816 case NL80211_IFTYPE_STATION
:
1817 if (rdev
->wiphy
.flags
& WIPHY_FLAG_4ADDR_STATION
)
1827 static int nl80211_set_interface(struct sk_buff
*skb
, struct genl_info
*info
)
1829 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
1830 struct vif_params params
;
1832 enum nl80211_iftype otype
, ntype
;
1833 struct net_device
*dev
= info
->user_ptr
[1];
1834 u32 _flags
, *flags
= NULL
;
1835 bool change
= false;
1837 memset(¶ms
, 0, sizeof(params
));
1839 otype
= ntype
= dev
->ieee80211_ptr
->iftype
;
1841 if (info
->attrs
[NL80211_ATTR_IFTYPE
]) {
1842 ntype
= nla_get_u32(info
->attrs
[NL80211_ATTR_IFTYPE
]);
1845 if (ntype
> NL80211_IFTYPE_MAX
)
1849 if (info
->attrs
[NL80211_ATTR_MESH_ID
]) {
1850 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
1852 if (ntype
!= NL80211_IFTYPE_MESH_POINT
)
1854 if (netif_running(dev
))
1858 BUILD_BUG_ON(IEEE80211_MAX_SSID_LEN
!=
1859 IEEE80211_MAX_MESH_ID_LEN
);
1860 wdev
->mesh_id_up_len
=
1861 nla_len(info
->attrs
[NL80211_ATTR_MESH_ID
]);
1862 memcpy(wdev
->ssid
, nla_data(info
->attrs
[NL80211_ATTR_MESH_ID
]),
1863 wdev
->mesh_id_up_len
);
1867 if (info
->attrs
[NL80211_ATTR_4ADDR
]) {
1868 params
.use_4addr
= !!nla_get_u8(info
->attrs
[NL80211_ATTR_4ADDR
]);
1870 err
= nl80211_valid_4addr(rdev
, dev
, params
.use_4addr
, ntype
);
1874 params
.use_4addr
= -1;
1877 if (info
->attrs
[NL80211_ATTR_MNTR_FLAGS
]) {
1878 if (ntype
!= NL80211_IFTYPE_MONITOR
)
1880 err
= parse_monitor_flags(info
->attrs
[NL80211_ATTR_MNTR_FLAGS
],
1890 err
= cfg80211_change_iface(rdev
, dev
, ntype
, flags
, ¶ms
);
1894 if (!err
&& params
.use_4addr
!= -1)
1895 dev
->ieee80211_ptr
->use_4addr
= params
.use_4addr
;
1900 static int nl80211_new_interface(struct sk_buff
*skb
, struct genl_info
*info
)
1902 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
1903 struct vif_params params
;
1904 struct net_device
*dev
;
1906 enum nl80211_iftype type
= NL80211_IFTYPE_UNSPECIFIED
;
1909 memset(¶ms
, 0, sizeof(params
));
1911 if (!info
->attrs
[NL80211_ATTR_IFNAME
])
1914 if (info
->attrs
[NL80211_ATTR_IFTYPE
]) {
1915 type
= nla_get_u32(info
->attrs
[NL80211_ATTR_IFTYPE
]);
1916 if (type
> NL80211_IFTYPE_MAX
)
1920 if (!rdev
->ops
->add_virtual_intf
||
1921 !(rdev
->wiphy
.interface_modes
& (1 << type
)))
1924 if (info
->attrs
[NL80211_ATTR_4ADDR
]) {
1925 params
.use_4addr
= !!nla_get_u8(info
->attrs
[NL80211_ATTR_4ADDR
]);
1926 err
= nl80211_valid_4addr(rdev
, NULL
, params
.use_4addr
, type
);
1931 err
= parse_monitor_flags(type
== NL80211_IFTYPE_MONITOR
?
1932 info
->attrs
[NL80211_ATTR_MNTR_FLAGS
] : NULL
,
1934 dev
= rdev
->ops
->add_virtual_intf(&rdev
->wiphy
,
1935 nla_data(info
->attrs
[NL80211_ATTR_IFNAME
]),
1936 type
, err
? NULL
: &flags
, ¶ms
);
1938 return PTR_ERR(dev
);
1940 if (type
== NL80211_IFTYPE_MESH_POINT
&&
1941 info
->attrs
[NL80211_ATTR_MESH_ID
]) {
1942 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
1945 BUILD_BUG_ON(IEEE80211_MAX_SSID_LEN
!=
1946 IEEE80211_MAX_MESH_ID_LEN
);
1947 wdev
->mesh_id_up_len
=
1948 nla_len(info
->attrs
[NL80211_ATTR_MESH_ID
]);
1949 memcpy(wdev
->ssid
, nla_data(info
->attrs
[NL80211_ATTR_MESH_ID
]),
1950 wdev
->mesh_id_up_len
);
1957 static int nl80211_del_interface(struct sk_buff
*skb
, struct genl_info
*info
)
1959 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
1960 struct net_device
*dev
= info
->user_ptr
[1];
1962 if (!rdev
->ops
->del_virtual_intf
)
1965 return rdev
->ops
->del_virtual_intf(&rdev
->wiphy
, dev
);
1968 static int nl80211_set_noack_map(struct sk_buff
*skb
, struct genl_info
*info
)
1970 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
1971 struct net_device
*dev
= info
->user_ptr
[1];
1974 if (!info
->attrs
[NL80211_ATTR_NOACK_MAP
])
1977 if (!rdev
->ops
->set_noack_map
)
1980 noack_map
= nla_get_u16(info
->attrs
[NL80211_ATTR_NOACK_MAP
]);
1982 return rdev
->ops
->set_noack_map(&rdev
->wiphy
, dev
, noack_map
);
1985 struct get_key_cookie
{
1986 struct sk_buff
*msg
;
1991 static void get_key_callback(void *c
, struct key_params
*params
)
1994 struct get_key_cookie
*cookie
= c
;
1997 nla_put(cookie
->msg
, NL80211_ATTR_KEY_DATA
,
1998 params
->key_len
, params
->key
)) ||
2000 nla_put(cookie
->msg
, NL80211_ATTR_KEY_SEQ
,
2001 params
->seq_len
, params
->seq
)) ||
2003 nla_put_u32(cookie
->msg
, NL80211_ATTR_KEY_CIPHER
,
2005 goto nla_put_failure
;
2007 key
= nla_nest_start(cookie
->msg
, NL80211_ATTR_KEY
);
2009 goto nla_put_failure
;
2012 nla_put(cookie
->msg
, NL80211_KEY_DATA
,
2013 params
->key_len
, params
->key
)) ||
2015 nla_put(cookie
->msg
, NL80211_KEY_SEQ
,
2016 params
->seq_len
, params
->seq
)) ||
2018 nla_put_u32(cookie
->msg
, NL80211_KEY_CIPHER
,
2020 goto nla_put_failure
;
2022 if (nla_put_u8(cookie
->msg
, NL80211_ATTR_KEY_IDX
, cookie
->idx
))
2023 goto nla_put_failure
;
2025 nla_nest_end(cookie
->msg
, key
);
2032 static int nl80211_get_key(struct sk_buff
*skb
, struct genl_info
*info
)
2034 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
2036 struct net_device
*dev
= info
->user_ptr
[1];
2038 const u8
*mac_addr
= NULL
;
2040 struct get_key_cookie cookie
= {
2044 struct sk_buff
*msg
;
2046 if (info
->attrs
[NL80211_ATTR_KEY_IDX
])
2047 key_idx
= nla_get_u8(info
->attrs
[NL80211_ATTR_KEY_IDX
]);
2052 if (info
->attrs
[NL80211_ATTR_MAC
])
2053 mac_addr
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
2055 pairwise
= !!mac_addr
;
2056 if (info
->attrs
[NL80211_ATTR_KEY_TYPE
]) {
2057 u32 kt
= nla_get_u32(info
->attrs
[NL80211_ATTR_KEY_TYPE
]);
2058 if (kt
>= NUM_NL80211_KEYTYPES
)
2060 if (kt
!= NL80211_KEYTYPE_GROUP
&&
2061 kt
!= NL80211_KEYTYPE_PAIRWISE
)
2063 pairwise
= kt
== NL80211_KEYTYPE_PAIRWISE
;
2066 if (!rdev
->ops
->get_key
)
2069 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
2073 hdr
= nl80211hdr_put(msg
, info
->snd_pid
, info
->snd_seq
, 0,
2074 NL80211_CMD_NEW_KEY
);
2076 return PTR_ERR(hdr
);
2079 cookie
.idx
= key_idx
;
2081 if (nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, dev
->ifindex
) ||
2082 nla_put_u8(msg
, NL80211_ATTR_KEY_IDX
, key_idx
))
2083 goto nla_put_failure
;
2085 nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, mac_addr
))
2086 goto nla_put_failure
;
2088 if (pairwise
&& mac_addr
&&
2089 !(rdev
->wiphy
.flags
& WIPHY_FLAG_IBSS_RSN
))
2092 err
= rdev
->ops
->get_key(&rdev
->wiphy
, dev
, key_idx
, pairwise
,
2093 mac_addr
, &cookie
, get_key_callback
);
2099 goto nla_put_failure
;
2101 genlmsg_end(msg
, hdr
);
2102 return genlmsg_reply(msg
, info
);
2111 static int nl80211_set_key(struct sk_buff
*skb
, struct genl_info
*info
)
2113 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
2114 struct key_parse key
;
2116 struct net_device
*dev
= info
->user_ptr
[1];
2118 err
= nl80211_parse_key(info
, &key
);
2125 /* only support setting default key */
2126 if (!key
.def
&& !key
.defmgmt
)
2129 wdev_lock(dev
->ieee80211_ptr
);
2132 if (!rdev
->ops
->set_default_key
) {
2137 err
= nl80211_key_allowed(dev
->ieee80211_ptr
);
2141 err
= rdev
->ops
->set_default_key(&rdev
->wiphy
, dev
, key
.idx
,
2142 key
.def_uni
, key
.def_multi
);
2147 #ifdef CONFIG_CFG80211_WEXT
2148 dev
->ieee80211_ptr
->wext
.default_key
= key
.idx
;
2151 if (key
.def_uni
|| !key
.def_multi
) {
2156 if (!rdev
->ops
->set_default_mgmt_key
) {
2161 err
= nl80211_key_allowed(dev
->ieee80211_ptr
);
2165 err
= rdev
->ops
->set_default_mgmt_key(&rdev
->wiphy
,
2170 #ifdef CONFIG_CFG80211_WEXT
2171 dev
->ieee80211_ptr
->wext
.default_mgmt_key
= key
.idx
;
2176 wdev_unlock(dev
->ieee80211_ptr
);
2181 static int nl80211_new_key(struct sk_buff
*skb
, struct genl_info
*info
)
2183 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
2185 struct net_device
*dev
= info
->user_ptr
[1];
2186 struct key_parse key
;
2187 const u8
*mac_addr
= NULL
;
2189 err
= nl80211_parse_key(info
, &key
);
2196 if (info
->attrs
[NL80211_ATTR_MAC
])
2197 mac_addr
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
2199 if (key
.type
== -1) {
2201 key
.type
= NL80211_KEYTYPE_PAIRWISE
;
2203 key
.type
= NL80211_KEYTYPE_GROUP
;
2207 if (key
.type
!= NL80211_KEYTYPE_PAIRWISE
&&
2208 key
.type
!= NL80211_KEYTYPE_GROUP
)
2211 if (!rdev
->ops
->add_key
)
2214 if (cfg80211_validate_key_settings(rdev
, &key
.p
, key
.idx
,
2215 key
.type
== NL80211_KEYTYPE_PAIRWISE
,
2219 wdev_lock(dev
->ieee80211_ptr
);
2220 err
= nl80211_key_allowed(dev
->ieee80211_ptr
);
2222 err
= rdev
->ops
->add_key(&rdev
->wiphy
, dev
, key
.idx
,
2223 key
.type
== NL80211_KEYTYPE_PAIRWISE
,
2225 wdev_unlock(dev
->ieee80211_ptr
);
2230 static int nl80211_del_key(struct sk_buff
*skb
, struct genl_info
*info
)
2232 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
2234 struct net_device
*dev
= info
->user_ptr
[1];
2235 u8
*mac_addr
= NULL
;
2236 struct key_parse key
;
2238 err
= nl80211_parse_key(info
, &key
);
2242 if (info
->attrs
[NL80211_ATTR_MAC
])
2243 mac_addr
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
2245 if (key
.type
== -1) {
2247 key
.type
= NL80211_KEYTYPE_PAIRWISE
;
2249 key
.type
= NL80211_KEYTYPE_GROUP
;
2253 if (key
.type
!= NL80211_KEYTYPE_PAIRWISE
&&
2254 key
.type
!= NL80211_KEYTYPE_GROUP
)
2257 if (!rdev
->ops
->del_key
)
2260 wdev_lock(dev
->ieee80211_ptr
);
2261 err
= nl80211_key_allowed(dev
->ieee80211_ptr
);
2263 if (key
.type
== NL80211_KEYTYPE_PAIRWISE
&& mac_addr
&&
2264 !(rdev
->wiphy
.flags
& WIPHY_FLAG_IBSS_RSN
))
2268 err
= rdev
->ops
->del_key(&rdev
->wiphy
, dev
, key
.idx
,
2269 key
.type
== NL80211_KEYTYPE_PAIRWISE
,
2272 #ifdef CONFIG_CFG80211_WEXT
2274 if (key
.idx
== dev
->ieee80211_ptr
->wext
.default_key
)
2275 dev
->ieee80211_ptr
->wext
.default_key
= -1;
2276 else if (key
.idx
== dev
->ieee80211_ptr
->wext
.default_mgmt_key
)
2277 dev
->ieee80211_ptr
->wext
.default_mgmt_key
= -1;
2280 wdev_unlock(dev
->ieee80211_ptr
);
2285 static int nl80211_parse_beacon(struct genl_info
*info
,
2286 struct cfg80211_beacon_data
*bcn
)
2288 bool haveinfo
= false;
2290 if (!is_valid_ie_attr(info
->attrs
[NL80211_ATTR_BEACON_TAIL
]) ||
2291 !is_valid_ie_attr(info
->attrs
[NL80211_ATTR_IE
]) ||
2292 !is_valid_ie_attr(info
->attrs
[NL80211_ATTR_IE_PROBE_RESP
]) ||
2293 !is_valid_ie_attr(info
->attrs
[NL80211_ATTR_IE_ASSOC_RESP
]))
2296 memset(bcn
, 0, sizeof(*bcn
));
2298 if (info
->attrs
[NL80211_ATTR_BEACON_HEAD
]) {
2299 bcn
->head
= nla_data(info
->attrs
[NL80211_ATTR_BEACON_HEAD
]);
2300 bcn
->head_len
= nla_len(info
->attrs
[NL80211_ATTR_BEACON_HEAD
]);
2306 if (info
->attrs
[NL80211_ATTR_BEACON_TAIL
]) {
2307 bcn
->tail
= nla_data(info
->attrs
[NL80211_ATTR_BEACON_TAIL
]);
2309 nla_len(info
->attrs
[NL80211_ATTR_BEACON_TAIL
]);
2316 if (info
->attrs
[NL80211_ATTR_IE
]) {
2317 bcn
->beacon_ies
= nla_data(info
->attrs
[NL80211_ATTR_IE
]);
2318 bcn
->beacon_ies_len
= nla_len(info
->attrs
[NL80211_ATTR_IE
]);
2321 if (info
->attrs
[NL80211_ATTR_IE_PROBE_RESP
]) {
2322 bcn
->proberesp_ies
=
2323 nla_data(info
->attrs
[NL80211_ATTR_IE_PROBE_RESP
]);
2324 bcn
->proberesp_ies_len
=
2325 nla_len(info
->attrs
[NL80211_ATTR_IE_PROBE_RESP
]);
2328 if (info
->attrs
[NL80211_ATTR_IE_ASSOC_RESP
]) {
2329 bcn
->assocresp_ies
=
2330 nla_data(info
->attrs
[NL80211_ATTR_IE_ASSOC_RESP
]);
2331 bcn
->assocresp_ies_len
=
2332 nla_len(info
->attrs
[NL80211_ATTR_IE_ASSOC_RESP
]);
2335 if (info
->attrs
[NL80211_ATTR_PROBE_RESP
]) {
2337 nla_data(info
->attrs
[NL80211_ATTR_PROBE_RESP
]);
2338 bcn
->probe_resp_len
=
2339 nla_len(info
->attrs
[NL80211_ATTR_PROBE_RESP
]);
2345 static bool nl80211_get_ap_channel(struct cfg80211_registered_device
*rdev
,
2346 struct cfg80211_ap_settings
*params
)
2348 struct wireless_dev
*wdev
;
2351 mutex_lock(&rdev
->devlist_mtx
);
2353 list_for_each_entry(wdev
, &rdev
->netdev_list
, list
) {
2354 if (wdev
->iftype
!= NL80211_IFTYPE_AP
&&
2355 wdev
->iftype
!= NL80211_IFTYPE_P2P_GO
)
2358 if (!wdev
->preset_chan
)
2361 params
->channel
= wdev
->preset_chan
;
2362 params
->channel_type
= wdev
->preset_chantype
;
2367 mutex_unlock(&rdev
->devlist_mtx
);
2372 static int nl80211_start_ap(struct sk_buff
*skb
, struct genl_info
*info
)
2374 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
2375 struct net_device
*dev
= info
->user_ptr
[1];
2376 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
2377 struct cfg80211_ap_settings params
;
2380 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_AP
&&
2381 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_GO
)
2384 if (!rdev
->ops
->start_ap
)
2387 if (wdev
->beacon_interval
)
2390 memset(¶ms
, 0, sizeof(params
));
2392 /* these are required for START_AP */
2393 if (!info
->attrs
[NL80211_ATTR_BEACON_INTERVAL
] ||
2394 !info
->attrs
[NL80211_ATTR_DTIM_PERIOD
] ||
2395 !info
->attrs
[NL80211_ATTR_BEACON_HEAD
])
2398 err
= nl80211_parse_beacon(info
, ¶ms
.beacon
);
2402 params
.beacon_interval
=
2403 nla_get_u32(info
->attrs
[NL80211_ATTR_BEACON_INTERVAL
]);
2404 params
.dtim_period
=
2405 nla_get_u32(info
->attrs
[NL80211_ATTR_DTIM_PERIOD
]);
2407 err
= cfg80211_validate_beacon_int(rdev
, params
.beacon_interval
);
2412 * In theory, some of these attributes should be required here
2413 * but since they were not used when the command was originally
2414 * added, keep them optional for old user space programs to let
2415 * them continue to work with drivers that do not need the
2416 * additional information -- drivers must check!
2418 if (info
->attrs
[NL80211_ATTR_SSID
]) {
2419 params
.ssid
= nla_data(info
->attrs
[NL80211_ATTR_SSID
]);
2421 nla_len(info
->attrs
[NL80211_ATTR_SSID
]);
2422 if (params
.ssid_len
== 0 ||
2423 params
.ssid_len
> IEEE80211_MAX_SSID_LEN
)
2427 if (info
->attrs
[NL80211_ATTR_HIDDEN_SSID
]) {
2428 params
.hidden_ssid
= nla_get_u32(
2429 info
->attrs
[NL80211_ATTR_HIDDEN_SSID
]);
2430 if (params
.hidden_ssid
!= NL80211_HIDDEN_SSID_NOT_IN_USE
&&
2431 params
.hidden_ssid
!= NL80211_HIDDEN_SSID_ZERO_LEN
&&
2432 params
.hidden_ssid
!= NL80211_HIDDEN_SSID_ZERO_CONTENTS
)
2436 params
.privacy
= !!info
->attrs
[NL80211_ATTR_PRIVACY
];
2438 if (info
->attrs
[NL80211_ATTR_AUTH_TYPE
]) {
2439 params
.auth_type
= nla_get_u32(
2440 info
->attrs
[NL80211_ATTR_AUTH_TYPE
]);
2441 if (!nl80211_valid_auth_type(params
.auth_type
))
2444 params
.auth_type
= NL80211_AUTHTYPE_AUTOMATIC
;
2446 err
= nl80211_crypto_settings(rdev
, info
, ¶ms
.crypto
,
2447 NL80211_MAX_NR_CIPHER_SUITES
);
2451 if (info
->attrs
[NL80211_ATTR_INACTIVITY_TIMEOUT
]) {
2452 if (!(rdev
->wiphy
.features
& NL80211_FEATURE_INACTIVITY_TIMER
))
2454 params
.inactivity_timeout
= nla_get_u16(
2455 info
->attrs
[NL80211_ATTR_INACTIVITY_TIMEOUT
]);
2458 if (info
->attrs
[NL80211_ATTR_WIPHY_FREQ
]) {
2459 enum nl80211_channel_type channel_type
= NL80211_CHAN_NO_HT
;
2461 if (info
->attrs
[NL80211_ATTR_WIPHY_CHANNEL_TYPE
] &&
2462 !nl80211_valid_channel_type(info
, &channel_type
))
2465 params
.channel
= rdev_freq_to_chan(rdev
,
2466 nla_get_u32(info
->attrs
[NL80211_ATTR_WIPHY_FREQ
]),
2468 if (!params
.channel
)
2470 params
.channel_type
= channel_type
;
2471 } else if (wdev
->preset_chan
) {
2472 params
.channel
= wdev
->preset_chan
;
2473 params
.channel_type
= wdev
->preset_chantype
;
2474 } else if (!nl80211_get_ap_channel(rdev
, ¶ms
))
2477 if (!cfg80211_can_beacon_sec_chan(&rdev
->wiphy
, params
.channel
,
2478 params
.channel_type
))
2481 mutex_lock(&rdev
->devlist_mtx
);
2482 err
= cfg80211_can_use_chan(rdev
, wdev
, params
.channel
,
2484 mutex_unlock(&rdev
->devlist_mtx
);
2489 err
= rdev
->ops
->start_ap(&rdev
->wiphy
, dev
, ¶ms
);
2491 wdev
->preset_chan
= params
.channel
;
2492 wdev
->preset_chantype
= params
.channel_type
;
2493 wdev
->beacon_interval
= params
.beacon_interval
;
2494 wdev
->channel
= params
.channel
;
2499 static int nl80211_set_beacon(struct sk_buff
*skb
, struct genl_info
*info
)
2501 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
2502 struct net_device
*dev
= info
->user_ptr
[1];
2503 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
2504 struct cfg80211_beacon_data params
;
2507 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_AP
&&
2508 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_GO
)
2511 if (!rdev
->ops
->change_beacon
)
2514 if (!wdev
->beacon_interval
)
2517 err
= nl80211_parse_beacon(info
, ¶ms
);
2521 return rdev
->ops
->change_beacon(&rdev
->wiphy
, dev
, ¶ms
);
2524 static int nl80211_stop_ap(struct sk_buff
*skb
, struct genl_info
*info
)
2526 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
2527 struct net_device
*dev
= info
->user_ptr
[1];
2529 return cfg80211_stop_ap(rdev
, dev
);
2532 static const struct nla_policy sta_flags_policy
[NL80211_STA_FLAG_MAX
+ 1] = {
2533 [NL80211_STA_FLAG_AUTHORIZED
] = { .type
= NLA_FLAG
},
2534 [NL80211_STA_FLAG_SHORT_PREAMBLE
] = { .type
= NLA_FLAG
},
2535 [NL80211_STA_FLAG_WME
] = { .type
= NLA_FLAG
},
2536 [NL80211_STA_FLAG_MFP
] = { .type
= NLA_FLAG
},
2537 [NL80211_STA_FLAG_AUTHENTICATED
] = { .type
= NLA_FLAG
},
2538 [NL80211_STA_FLAG_TDLS_PEER
] = { .type
= NLA_FLAG
},
2541 static int parse_station_flags(struct genl_info
*info
,
2542 enum nl80211_iftype iftype
,
2543 struct station_parameters
*params
)
2545 struct nlattr
*flags
[NL80211_STA_FLAG_MAX
+ 1];
2550 * Try parsing the new attribute first so userspace
2551 * can specify both for older kernels.
2553 nla
= info
->attrs
[NL80211_ATTR_STA_FLAGS2
];
2555 struct nl80211_sta_flag_update
*sta_flags
;
2557 sta_flags
= nla_data(nla
);
2558 params
->sta_flags_mask
= sta_flags
->mask
;
2559 params
->sta_flags_set
= sta_flags
->set
;
2560 if ((params
->sta_flags_mask
|
2561 params
->sta_flags_set
) & BIT(__NL80211_STA_FLAG_INVALID
))
2566 /* if present, parse the old attribute */
2568 nla
= info
->attrs
[NL80211_ATTR_STA_FLAGS
];
2572 if (nla_parse_nested(flags
, NL80211_STA_FLAG_MAX
,
2573 nla
, sta_flags_policy
))
2577 * Only allow certain flags for interface types so that
2578 * other attributes are silently ignored. Remember that
2579 * this is backward compatibility code with old userspace
2580 * and shouldn't be hit in other cases anyway.
2583 case NL80211_IFTYPE_AP
:
2584 case NL80211_IFTYPE_AP_VLAN
:
2585 case NL80211_IFTYPE_P2P_GO
:
2586 params
->sta_flags_mask
= BIT(NL80211_STA_FLAG_AUTHORIZED
) |
2587 BIT(NL80211_STA_FLAG_SHORT_PREAMBLE
) |
2588 BIT(NL80211_STA_FLAG_WME
) |
2589 BIT(NL80211_STA_FLAG_MFP
);
2591 case NL80211_IFTYPE_P2P_CLIENT
:
2592 case NL80211_IFTYPE_STATION
:
2593 params
->sta_flags_mask
= BIT(NL80211_STA_FLAG_AUTHORIZED
) |
2594 BIT(NL80211_STA_FLAG_TDLS_PEER
);
2596 case NL80211_IFTYPE_MESH_POINT
:
2597 params
->sta_flags_mask
= BIT(NL80211_STA_FLAG_AUTHENTICATED
) |
2598 BIT(NL80211_STA_FLAG_MFP
) |
2599 BIT(NL80211_STA_FLAG_AUTHORIZED
);
2604 for (flag
= 1; flag
<= NL80211_STA_FLAG_MAX
; flag
++) {
2606 params
->sta_flags_set
|= (1<<flag
);
2608 /* no longer support new API additions in old API */
2609 if (flag
> NL80211_STA_FLAG_MAX_OLD_API
)
2617 static bool nl80211_put_sta_rate(struct sk_buff
*msg
, struct rate_info
*info
,
2620 struct nlattr
*rate
;
2624 rate
= nla_nest_start(msg
, attr
);
2626 goto nla_put_failure
;
2628 /* cfg80211_calculate_bitrate will return 0 for mcs >= 32 */
2629 bitrate
= cfg80211_calculate_bitrate(info
);
2630 /* report 16-bit bitrate only if we can */
2631 bitrate_compat
= bitrate
< (1UL << 16) ? bitrate
: 0;
2633 nla_put_u32(msg
, NL80211_RATE_INFO_BITRATE32
, bitrate
)) ||
2634 (bitrate_compat
> 0 &&
2635 nla_put_u16(msg
, NL80211_RATE_INFO_BITRATE
, bitrate_compat
)) ||
2636 ((info
->flags
& RATE_INFO_FLAGS_MCS
) &&
2637 nla_put_u8(msg
, NL80211_RATE_INFO_MCS
, info
->mcs
)) ||
2638 ((info
->flags
& RATE_INFO_FLAGS_40_MHZ_WIDTH
) &&
2639 nla_put_flag(msg
, NL80211_RATE_INFO_40_MHZ_WIDTH
)) ||
2640 ((info
->flags
& RATE_INFO_FLAGS_SHORT_GI
) &&
2641 nla_put_flag(msg
, NL80211_RATE_INFO_SHORT_GI
)))
2642 goto nla_put_failure
;
2644 nla_nest_end(msg
, rate
);
2651 static int nl80211_send_station(struct sk_buff
*msg
, u32 pid
, u32 seq
,
2653 struct cfg80211_registered_device
*rdev
,
2654 struct net_device
*dev
,
2655 const u8
*mac_addr
, struct station_info
*sinfo
)
2658 struct nlattr
*sinfoattr
, *bss_param
;
2660 hdr
= nl80211hdr_put(msg
, pid
, seq
, flags
, NL80211_CMD_NEW_STATION
);
2664 if (nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, dev
->ifindex
) ||
2665 nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, mac_addr
) ||
2666 nla_put_u32(msg
, NL80211_ATTR_GENERATION
, sinfo
->generation
))
2667 goto nla_put_failure
;
2669 sinfoattr
= nla_nest_start(msg
, NL80211_ATTR_STA_INFO
);
2671 goto nla_put_failure
;
2672 if ((sinfo
->filled
& STATION_INFO_CONNECTED_TIME
) &&
2673 nla_put_u32(msg
, NL80211_STA_INFO_CONNECTED_TIME
,
2674 sinfo
->connected_time
))
2675 goto nla_put_failure
;
2676 if ((sinfo
->filled
& STATION_INFO_INACTIVE_TIME
) &&
2677 nla_put_u32(msg
, NL80211_STA_INFO_INACTIVE_TIME
,
2678 sinfo
->inactive_time
))
2679 goto nla_put_failure
;
2680 if ((sinfo
->filled
& STATION_INFO_RX_BYTES
) &&
2681 nla_put_u32(msg
, NL80211_STA_INFO_RX_BYTES
,
2683 goto nla_put_failure
;
2684 if ((sinfo
->filled
& STATION_INFO_TX_BYTES
) &&
2685 nla_put_u32(msg
, NL80211_STA_INFO_TX_BYTES
,
2687 goto nla_put_failure
;
2688 if ((sinfo
->filled
& STATION_INFO_LLID
) &&
2689 nla_put_u16(msg
, NL80211_STA_INFO_LLID
, sinfo
->llid
))
2690 goto nla_put_failure
;
2691 if ((sinfo
->filled
& STATION_INFO_PLID
) &&
2692 nla_put_u16(msg
, NL80211_STA_INFO_PLID
, sinfo
->plid
))
2693 goto nla_put_failure
;
2694 if ((sinfo
->filled
& STATION_INFO_PLINK_STATE
) &&
2695 nla_put_u8(msg
, NL80211_STA_INFO_PLINK_STATE
,
2696 sinfo
->plink_state
))
2697 goto nla_put_failure
;
2698 switch (rdev
->wiphy
.signal_type
) {
2699 case CFG80211_SIGNAL_TYPE_MBM
:
2700 if ((sinfo
->filled
& STATION_INFO_SIGNAL
) &&
2701 nla_put_u8(msg
, NL80211_STA_INFO_SIGNAL
,
2703 goto nla_put_failure
;
2704 if ((sinfo
->filled
& STATION_INFO_SIGNAL_AVG
) &&
2705 nla_put_u8(msg
, NL80211_STA_INFO_SIGNAL_AVG
,
2707 goto nla_put_failure
;
2712 if (sinfo
->filled
& STATION_INFO_TX_BITRATE
) {
2713 if (!nl80211_put_sta_rate(msg
, &sinfo
->txrate
,
2714 NL80211_STA_INFO_TX_BITRATE
))
2715 goto nla_put_failure
;
2717 if (sinfo
->filled
& STATION_INFO_RX_BITRATE
) {
2718 if (!nl80211_put_sta_rate(msg
, &sinfo
->rxrate
,
2719 NL80211_STA_INFO_RX_BITRATE
))
2720 goto nla_put_failure
;
2722 if ((sinfo
->filled
& STATION_INFO_RX_PACKETS
) &&
2723 nla_put_u32(msg
, NL80211_STA_INFO_RX_PACKETS
,
2725 goto nla_put_failure
;
2726 if ((sinfo
->filled
& STATION_INFO_TX_PACKETS
) &&
2727 nla_put_u32(msg
, NL80211_STA_INFO_TX_PACKETS
,
2729 goto nla_put_failure
;
2730 if ((sinfo
->filled
& STATION_INFO_TX_RETRIES
) &&
2731 nla_put_u32(msg
, NL80211_STA_INFO_TX_RETRIES
,
2733 goto nla_put_failure
;
2734 if ((sinfo
->filled
& STATION_INFO_TX_FAILED
) &&
2735 nla_put_u32(msg
, NL80211_STA_INFO_TX_FAILED
,
2737 goto nla_put_failure
;
2738 if ((sinfo
->filled
& STATION_INFO_BEACON_LOSS_COUNT
) &&
2739 nla_put_u32(msg
, NL80211_STA_INFO_BEACON_LOSS
,
2740 sinfo
->beacon_loss_count
))
2741 goto nla_put_failure
;
2742 if (sinfo
->filled
& STATION_INFO_BSS_PARAM
) {
2743 bss_param
= nla_nest_start(msg
, NL80211_STA_INFO_BSS_PARAM
);
2745 goto nla_put_failure
;
2747 if (((sinfo
->bss_param
.flags
& BSS_PARAM_FLAGS_CTS_PROT
) &&
2748 nla_put_flag(msg
, NL80211_STA_BSS_PARAM_CTS_PROT
)) ||
2749 ((sinfo
->bss_param
.flags
& BSS_PARAM_FLAGS_SHORT_PREAMBLE
) &&
2750 nla_put_flag(msg
, NL80211_STA_BSS_PARAM_SHORT_PREAMBLE
)) ||
2751 ((sinfo
->bss_param
.flags
& BSS_PARAM_FLAGS_SHORT_SLOT_TIME
) &&
2752 nla_put_flag(msg
, NL80211_STA_BSS_PARAM_SHORT_SLOT_TIME
)) ||
2753 nla_put_u8(msg
, NL80211_STA_BSS_PARAM_DTIM_PERIOD
,
2754 sinfo
->bss_param
.dtim_period
) ||
2755 nla_put_u16(msg
, NL80211_STA_BSS_PARAM_BEACON_INTERVAL
,
2756 sinfo
->bss_param
.beacon_interval
))
2757 goto nla_put_failure
;
2759 nla_nest_end(msg
, bss_param
);
2761 if ((sinfo
->filled
& STATION_INFO_STA_FLAGS
) &&
2762 nla_put(msg
, NL80211_STA_INFO_STA_FLAGS
,
2763 sizeof(struct nl80211_sta_flag_update
),
2765 goto nla_put_failure
;
2766 if ((sinfo
->filled
& STATION_INFO_T_OFFSET
) &&
2767 nla_put_u64(msg
, NL80211_STA_INFO_T_OFFSET
,
2769 goto nla_put_failure
;
2770 nla_nest_end(msg
, sinfoattr
);
2772 if ((sinfo
->filled
& STATION_INFO_ASSOC_REQ_IES
) &&
2773 nla_put(msg
, NL80211_ATTR_IE
, sinfo
->assoc_req_ies_len
,
2774 sinfo
->assoc_req_ies
))
2775 goto nla_put_failure
;
2777 return genlmsg_end(msg
, hdr
);
2780 genlmsg_cancel(msg
, hdr
);
2784 static int nl80211_dump_station(struct sk_buff
*skb
,
2785 struct netlink_callback
*cb
)
2787 struct station_info sinfo
;
2788 struct cfg80211_registered_device
*dev
;
2789 struct net_device
*netdev
;
2790 u8 mac_addr
[ETH_ALEN
];
2791 int sta_idx
= cb
->args
[1];
2794 err
= nl80211_prepare_netdev_dump(skb
, cb
, &dev
, &netdev
);
2798 if (!dev
->ops
->dump_station
) {
2804 memset(&sinfo
, 0, sizeof(sinfo
));
2805 err
= dev
->ops
->dump_station(&dev
->wiphy
, netdev
, sta_idx
,
2812 if (nl80211_send_station(skb
,
2813 NETLINK_CB(cb
->skb
).pid
,
2814 cb
->nlh
->nlmsg_seq
, NLM_F_MULTI
,
2815 dev
, netdev
, mac_addr
,
2824 cb
->args
[1] = sta_idx
;
2827 nl80211_finish_netdev_dump(dev
);
2832 static int nl80211_get_station(struct sk_buff
*skb
, struct genl_info
*info
)
2834 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
2835 struct net_device
*dev
= info
->user_ptr
[1];
2836 struct station_info sinfo
;
2837 struct sk_buff
*msg
;
2838 u8
*mac_addr
= NULL
;
2841 memset(&sinfo
, 0, sizeof(sinfo
));
2843 if (!info
->attrs
[NL80211_ATTR_MAC
])
2846 mac_addr
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
2848 if (!rdev
->ops
->get_station
)
2851 err
= rdev
->ops
->get_station(&rdev
->wiphy
, dev
, mac_addr
, &sinfo
);
2855 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
2859 if (nl80211_send_station(msg
, info
->snd_pid
, info
->snd_seq
, 0,
2860 rdev
, dev
, mac_addr
, &sinfo
) < 0) {
2865 return genlmsg_reply(msg
, info
);
2869 * Get vlan interface making sure it is running and on the right wiphy.
2871 static struct net_device
*get_vlan(struct genl_info
*info
,
2872 struct cfg80211_registered_device
*rdev
)
2874 struct nlattr
*vlanattr
= info
->attrs
[NL80211_ATTR_STA_VLAN
];
2875 struct net_device
*v
;
2881 v
= dev_get_by_index(genl_info_net(info
), nla_get_u32(vlanattr
));
2883 return ERR_PTR(-ENODEV
);
2885 if (!v
->ieee80211_ptr
|| v
->ieee80211_ptr
->wiphy
!= &rdev
->wiphy
) {
2890 if (!netif_running(v
)) {
2898 return ERR_PTR(ret
);
2901 static int nl80211_set_station(struct sk_buff
*skb
, struct genl_info
*info
)
2903 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
2905 struct net_device
*dev
= info
->user_ptr
[1];
2906 struct station_parameters params
;
2907 u8
*mac_addr
= NULL
;
2909 memset(¶ms
, 0, sizeof(params
));
2911 params
.listen_interval
= -1;
2912 params
.plink_state
= -1;
2914 if (info
->attrs
[NL80211_ATTR_STA_AID
])
2917 if (!info
->attrs
[NL80211_ATTR_MAC
])
2920 mac_addr
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
2922 if (info
->attrs
[NL80211_ATTR_STA_SUPPORTED_RATES
]) {
2923 params
.supported_rates
=
2924 nla_data(info
->attrs
[NL80211_ATTR_STA_SUPPORTED_RATES
]);
2925 params
.supported_rates_len
=
2926 nla_len(info
->attrs
[NL80211_ATTR_STA_SUPPORTED_RATES
]);
2929 if (info
->attrs
[NL80211_ATTR_STA_LISTEN_INTERVAL
])
2930 params
.listen_interval
=
2931 nla_get_u16(info
->attrs
[NL80211_ATTR_STA_LISTEN_INTERVAL
]);
2933 if (info
->attrs
[NL80211_ATTR_HT_CAPABILITY
])
2935 nla_data(info
->attrs
[NL80211_ATTR_HT_CAPABILITY
]);
2937 if (!rdev
->ops
->change_station
)
2940 if (parse_station_flags(info
, dev
->ieee80211_ptr
->iftype
, ¶ms
))
2943 if (info
->attrs
[NL80211_ATTR_STA_PLINK_ACTION
])
2944 params
.plink_action
=
2945 nla_get_u8(info
->attrs
[NL80211_ATTR_STA_PLINK_ACTION
]);
2947 if (info
->attrs
[NL80211_ATTR_STA_PLINK_STATE
])
2948 params
.plink_state
=
2949 nla_get_u8(info
->attrs
[NL80211_ATTR_STA_PLINK_STATE
]);
2951 switch (dev
->ieee80211_ptr
->iftype
) {
2952 case NL80211_IFTYPE_AP
:
2953 case NL80211_IFTYPE_AP_VLAN
:
2954 case NL80211_IFTYPE_P2P_GO
:
2955 /* disallow mesh-specific things */
2956 if (params
.plink_action
)
2959 /* TDLS can't be set, ... */
2960 if (params
.sta_flags_set
& BIT(NL80211_STA_FLAG_TDLS_PEER
))
2963 * ... but don't bother the driver with it. This works around
2964 * a hostapd/wpa_supplicant issue -- it always includes the
2965 * TLDS_PEER flag in the mask even for AP mode.
2967 params
.sta_flags_mask
&= ~BIT(NL80211_STA_FLAG_TDLS_PEER
);
2969 /* accept only the listed bits */
2970 if (params
.sta_flags_mask
&
2971 ~(BIT(NL80211_STA_FLAG_AUTHORIZED
) |
2972 BIT(NL80211_STA_FLAG_SHORT_PREAMBLE
) |
2973 BIT(NL80211_STA_FLAG_WME
) |
2974 BIT(NL80211_STA_FLAG_MFP
)))
2977 /* must be last in here for error handling */
2978 params
.vlan
= get_vlan(info
, rdev
);
2979 if (IS_ERR(params
.vlan
))
2980 return PTR_ERR(params
.vlan
);
2982 case NL80211_IFTYPE_P2P_CLIENT
:
2983 case NL80211_IFTYPE_STATION
:
2985 * Don't allow userspace to change the TDLS_PEER flag,
2986 * but silently ignore attempts to change it since we
2987 * don't have state here to verify that it doesn't try
2988 * to change the flag.
2990 params
.sta_flags_mask
&= ~BIT(NL80211_STA_FLAG_TDLS_PEER
);
2992 case NL80211_IFTYPE_ADHOC
:
2993 /* disallow things sta doesn't support */
2994 if (params
.plink_action
)
2998 if (params
.listen_interval
>= 0)
3000 /* reject any changes other than AUTHORIZED */
3001 if (params
.sta_flags_mask
& ~BIT(NL80211_STA_FLAG_AUTHORIZED
))
3004 case NL80211_IFTYPE_MESH_POINT
:
3005 /* disallow things mesh doesn't support */
3010 if (params
.listen_interval
>= 0)
3013 * No special handling for TDLS here -- the userspace
3014 * mesh code doesn't have this bug.
3016 if (params
.sta_flags_mask
&
3017 ~(BIT(NL80211_STA_FLAG_AUTHENTICATED
) |
3018 BIT(NL80211_STA_FLAG_MFP
) |
3019 BIT(NL80211_STA_FLAG_AUTHORIZED
)))
3026 /* be aware of params.vlan when changing code here */
3028 err
= rdev
->ops
->change_station(&rdev
->wiphy
, dev
, mac_addr
, ¶ms
);
3031 dev_put(params
.vlan
);
3036 static struct nla_policy
3037 nl80211_sta_wme_policy
[NL80211_STA_WME_MAX
+ 1] __read_mostly
= {
3038 [NL80211_STA_WME_UAPSD_QUEUES
] = { .type
= NLA_U8
},
3039 [NL80211_STA_WME_MAX_SP
] = { .type
= NLA_U8
},
3042 static int nl80211_new_station(struct sk_buff
*skb
, struct genl_info
*info
)
3044 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
3046 struct net_device
*dev
= info
->user_ptr
[1];
3047 struct station_parameters params
;
3048 u8
*mac_addr
= NULL
;
3050 memset(¶ms
, 0, sizeof(params
));
3052 if (!info
->attrs
[NL80211_ATTR_MAC
])
3055 if (!info
->attrs
[NL80211_ATTR_STA_LISTEN_INTERVAL
])
3058 if (!info
->attrs
[NL80211_ATTR_STA_SUPPORTED_RATES
])
3061 if (!info
->attrs
[NL80211_ATTR_STA_AID
])
3064 mac_addr
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
3065 params
.supported_rates
=
3066 nla_data(info
->attrs
[NL80211_ATTR_STA_SUPPORTED_RATES
]);
3067 params
.supported_rates_len
=
3068 nla_len(info
->attrs
[NL80211_ATTR_STA_SUPPORTED_RATES
]);
3069 params
.listen_interval
=
3070 nla_get_u16(info
->attrs
[NL80211_ATTR_STA_LISTEN_INTERVAL
]);
3072 params
.aid
= nla_get_u16(info
->attrs
[NL80211_ATTR_STA_AID
]);
3073 if (!params
.aid
|| params
.aid
> IEEE80211_MAX_AID
)
3076 if (info
->attrs
[NL80211_ATTR_HT_CAPABILITY
])
3078 nla_data(info
->attrs
[NL80211_ATTR_HT_CAPABILITY
]);
3080 if (info
->attrs
[NL80211_ATTR_STA_PLINK_ACTION
])
3081 params
.plink_action
=
3082 nla_get_u8(info
->attrs
[NL80211_ATTR_STA_PLINK_ACTION
]);
3084 if (!rdev
->ops
->add_station
)
3087 if (parse_station_flags(info
, dev
->ieee80211_ptr
->iftype
, ¶ms
))
3090 switch (dev
->ieee80211_ptr
->iftype
) {
3091 case NL80211_IFTYPE_AP
:
3092 case NL80211_IFTYPE_AP_VLAN
:
3093 case NL80211_IFTYPE_P2P_GO
:
3094 /* parse WME attributes if sta is WME capable */
3095 if ((rdev
->wiphy
.flags
& WIPHY_FLAG_AP_UAPSD
) &&
3096 (params
.sta_flags_set
& BIT(NL80211_STA_FLAG_WME
)) &&
3097 info
->attrs
[NL80211_ATTR_STA_WME
]) {
3098 struct nlattr
*tb
[NL80211_STA_WME_MAX
+ 1];
3101 nla
= info
->attrs
[NL80211_ATTR_STA_WME
];
3102 err
= nla_parse_nested(tb
, NL80211_STA_WME_MAX
, nla
,
3103 nl80211_sta_wme_policy
);
3107 if (tb
[NL80211_STA_WME_UAPSD_QUEUES
])
3108 params
.uapsd_queues
=
3109 nla_get_u8(tb
[NL80211_STA_WME_UAPSD_QUEUES
]);
3110 if (params
.uapsd_queues
&
3111 ~IEEE80211_WMM_IE_STA_QOSINFO_AC_MASK
)
3114 if (tb
[NL80211_STA_WME_MAX_SP
])
3116 nla_get_u8(tb
[NL80211_STA_WME_MAX_SP
]);
3119 ~IEEE80211_WMM_IE_STA_QOSINFO_SP_MASK
)
3122 params
.sta_modify_mask
|= STATION_PARAM_APPLY_UAPSD
;
3124 /* TDLS peers cannot be added */
3125 if (params
.sta_flags_set
& BIT(NL80211_STA_FLAG_TDLS_PEER
))
3127 /* but don't bother the driver with it */
3128 params
.sta_flags_mask
&= ~BIT(NL80211_STA_FLAG_TDLS_PEER
);
3130 /* must be last in here for error handling */
3131 params
.vlan
= get_vlan(info
, rdev
);
3132 if (IS_ERR(params
.vlan
))
3133 return PTR_ERR(params
.vlan
);
3135 case NL80211_IFTYPE_MESH_POINT
:
3136 /* TDLS peers cannot be added */
3137 if (params
.sta_flags_set
& BIT(NL80211_STA_FLAG_TDLS_PEER
))
3140 case NL80211_IFTYPE_STATION
:
3141 /* Only TDLS peers can be added */
3142 if (!(params
.sta_flags_set
& BIT(NL80211_STA_FLAG_TDLS_PEER
)))
3144 /* Can only add if TDLS ... */
3145 if (!(rdev
->wiphy
.flags
& WIPHY_FLAG_SUPPORTS_TDLS
))
3147 /* ... with external setup is supported */
3148 if (!(rdev
->wiphy
.flags
& WIPHY_FLAG_TDLS_EXTERNAL_SETUP
))
3155 /* be aware of params.vlan when changing code here */
3157 err
= rdev
->ops
->add_station(&rdev
->wiphy
, dev
, mac_addr
, ¶ms
);
3160 dev_put(params
.vlan
);
3164 static int nl80211_del_station(struct sk_buff
*skb
, struct genl_info
*info
)
3166 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
3167 struct net_device
*dev
= info
->user_ptr
[1];
3168 u8
*mac_addr
= NULL
;
3170 if (info
->attrs
[NL80211_ATTR_MAC
])
3171 mac_addr
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
3173 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_AP
&&
3174 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_AP_VLAN
&&
3175 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_MESH_POINT
&&
3176 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_GO
)
3179 if (!rdev
->ops
->del_station
)
3182 return rdev
->ops
->del_station(&rdev
->wiphy
, dev
, mac_addr
);
3185 static int nl80211_send_mpath(struct sk_buff
*msg
, u32 pid
, u32 seq
,
3186 int flags
, struct net_device
*dev
,
3187 u8
*dst
, u8
*next_hop
,
3188 struct mpath_info
*pinfo
)
3191 struct nlattr
*pinfoattr
;
3193 hdr
= nl80211hdr_put(msg
, pid
, seq
, flags
, NL80211_CMD_NEW_STATION
);
3197 if (nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, dev
->ifindex
) ||
3198 nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, dst
) ||
3199 nla_put(msg
, NL80211_ATTR_MPATH_NEXT_HOP
, ETH_ALEN
, next_hop
) ||
3200 nla_put_u32(msg
, NL80211_ATTR_GENERATION
, pinfo
->generation
))
3201 goto nla_put_failure
;
3203 pinfoattr
= nla_nest_start(msg
, NL80211_ATTR_MPATH_INFO
);
3205 goto nla_put_failure
;
3206 if ((pinfo
->filled
& MPATH_INFO_FRAME_QLEN
) &&
3207 nla_put_u32(msg
, NL80211_MPATH_INFO_FRAME_QLEN
,
3209 goto nla_put_failure
;
3210 if (((pinfo
->filled
& MPATH_INFO_SN
) &&
3211 nla_put_u32(msg
, NL80211_MPATH_INFO_SN
, pinfo
->sn
)) ||
3212 ((pinfo
->filled
& MPATH_INFO_METRIC
) &&
3213 nla_put_u32(msg
, NL80211_MPATH_INFO_METRIC
,
3215 ((pinfo
->filled
& MPATH_INFO_EXPTIME
) &&
3216 nla_put_u32(msg
, NL80211_MPATH_INFO_EXPTIME
,
3218 ((pinfo
->filled
& MPATH_INFO_FLAGS
) &&
3219 nla_put_u8(msg
, NL80211_MPATH_INFO_FLAGS
,
3221 ((pinfo
->filled
& MPATH_INFO_DISCOVERY_TIMEOUT
) &&
3222 nla_put_u32(msg
, NL80211_MPATH_INFO_DISCOVERY_TIMEOUT
,
3223 pinfo
->discovery_timeout
)) ||
3224 ((pinfo
->filled
& MPATH_INFO_DISCOVERY_RETRIES
) &&
3225 nla_put_u8(msg
, NL80211_MPATH_INFO_DISCOVERY_RETRIES
,
3226 pinfo
->discovery_retries
)))
3227 goto nla_put_failure
;
3229 nla_nest_end(msg
, pinfoattr
);
3231 return genlmsg_end(msg
, hdr
);
3234 genlmsg_cancel(msg
, hdr
);
3238 static int nl80211_dump_mpath(struct sk_buff
*skb
,
3239 struct netlink_callback
*cb
)
3241 struct mpath_info pinfo
;
3242 struct cfg80211_registered_device
*dev
;
3243 struct net_device
*netdev
;
3245 u8 next_hop
[ETH_ALEN
];
3246 int path_idx
= cb
->args
[1];
3249 err
= nl80211_prepare_netdev_dump(skb
, cb
, &dev
, &netdev
);
3253 if (!dev
->ops
->dump_mpath
) {
3258 if (netdev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_MESH_POINT
) {
3264 err
= dev
->ops
->dump_mpath(&dev
->wiphy
, netdev
, path_idx
,
3265 dst
, next_hop
, &pinfo
);
3271 if (nl80211_send_mpath(skb
, NETLINK_CB(cb
->skb
).pid
,
3272 cb
->nlh
->nlmsg_seq
, NLM_F_MULTI
,
3273 netdev
, dst
, next_hop
,
3282 cb
->args
[1] = path_idx
;
3285 nl80211_finish_netdev_dump(dev
);
3289 static int nl80211_get_mpath(struct sk_buff
*skb
, struct genl_info
*info
)
3291 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
3293 struct net_device
*dev
= info
->user_ptr
[1];
3294 struct mpath_info pinfo
;
3295 struct sk_buff
*msg
;
3297 u8 next_hop
[ETH_ALEN
];
3299 memset(&pinfo
, 0, sizeof(pinfo
));
3301 if (!info
->attrs
[NL80211_ATTR_MAC
])
3304 dst
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
3306 if (!rdev
->ops
->get_mpath
)
3309 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_MESH_POINT
)
3312 err
= rdev
->ops
->get_mpath(&rdev
->wiphy
, dev
, dst
, next_hop
, &pinfo
);
3316 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
3320 if (nl80211_send_mpath(msg
, info
->snd_pid
, info
->snd_seq
, 0,
3321 dev
, dst
, next_hop
, &pinfo
) < 0) {
3326 return genlmsg_reply(msg
, info
);
3329 static int nl80211_set_mpath(struct sk_buff
*skb
, struct genl_info
*info
)
3331 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
3332 struct net_device
*dev
= info
->user_ptr
[1];
3334 u8
*next_hop
= NULL
;
3336 if (!info
->attrs
[NL80211_ATTR_MAC
])
3339 if (!info
->attrs
[NL80211_ATTR_MPATH_NEXT_HOP
])
3342 dst
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
3343 next_hop
= nla_data(info
->attrs
[NL80211_ATTR_MPATH_NEXT_HOP
]);
3345 if (!rdev
->ops
->change_mpath
)
3348 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_MESH_POINT
)
3351 return rdev
->ops
->change_mpath(&rdev
->wiphy
, dev
, dst
, next_hop
);
3354 static int nl80211_new_mpath(struct sk_buff
*skb
, struct genl_info
*info
)
3356 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
3357 struct net_device
*dev
= info
->user_ptr
[1];
3359 u8
*next_hop
= NULL
;
3361 if (!info
->attrs
[NL80211_ATTR_MAC
])
3364 if (!info
->attrs
[NL80211_ATTR_MPATH_NEXT_HOP
])
3367 dst
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
3368 next_hop
= nla_data(info
->attrs
[NL80211_ATTR_MPATH_NEXT_HOP
]);
3370 if (!rdev
->ops
->add_mpath
)
3373 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_MESH_POINT
)
3376 return rdev
->ops
->add_mpath(&rdev
->wiphy
, dev
, dst
, next_hop
);
3379 static int nl80211_del_mpath(struct sk_buff
*skb
, struct genl_info
*info
)
3381 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
3382 struct net_device
*dev
= info
->user_ptr
[1];
3385 if (info
->attrs
[NL80211_ATTR_MAC
])
3386 dst
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
3388 if (!rdev
->ops
->del_mpath
)
3391 return rdev
->ops
->del_mpath(&rdev
->wiphy
, dev
, dst
);
3394 static int nl80211_set_bss(struct sk_buff
*skb
, struct genl_info
*info
)
3396 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
3397 struct net_device
*dev
= info
->user_ptr
[1];
3398 struct bss_parameters params
;
3400 memset(¶ms
, 0, sizeof(params
));
3401 /* default to not changing parameters */
3402 params
.use_cts_prot
= -1;
3403 params
.use_short_preamble
= -1;
3404 params
.use_short_slot_time
= -1;
3405 params
.ap_isolate
= -1;
3406 params
.ht_opmode
= -1;
3408 if (info
->attrs
[NL80211_ATTR_BSS_CTS_PROT
])
3409 params
.use_cts_prot
=
3410 nla_get_u8(info
->attrs
[NL80211_ATTR_BSS_CTS_PROT
]);
3411 if (info
->attrs
[NL80211_ATTR_BSS_SHORT_PREAMBLE
])
3412 params
.use_short_preamble
=
3413 nla_get_u8(info
->attrs
[NL80211_ATTR_BSS_SHORT_PREAMBLE
]);
3414 if (info
->attrs
[NL80211_ATTR_BSS_SHORT_SLOT_TIME
])
3415 params
.use_short_slot_time
=
3416 nla_get_u8(info
->attrs
[NL80211_ATTR_BSS_SHORT_SLOT_TIME
]);
3417 if (info
->attrs
[NL80211_ATTR_BSS_BASIC_RATES
]) {
3418 params
.basic_rates
=
3419 nla_data(info
->attrs
[NL80211_ATTR_BSS_BASIC_RATES
]);
3420 params
.basic_rates_len
=
3421 nla_len(info
->attrs
[NL80211_ATTR_BSS_BASIC_RATES
]);
3423 if (info
->attrs
[NL80211_ATTR_AP_ISOLATE
])
3424 params
.ap_isolate
= !!nla_get_u8(info
->attrs
[NL80211_ATTR_AP_ISOLATE
]);
3425 if (info
->attrs
[NL80211_ATTR_BSS_HT_OPMODE
])
3427 nla_get_u16(info
->attrs
[NL80211_ATTR_BSS_HT_OPMODE
]);
3429 if (!rdev
->ops
->change_bss
)
3432 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_AP
&&
3433 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_GO
)
3436 return rdev
->ops
->change_bss(&rdev
->wiphy
, dev
, ¶ms
);
3439 static const struct nla_policy reg_rule_policy
[NL80211_REG_RULE_ATTR_MAX
+ 1] = {
3440 [NL80211_ATTR_REG_RULE_FLAGS
] = { .type
= NLA_U32
},
3441 [NL80211_ATTR_FREQ_RANGE_START
] = { .type
= NLA_U32
},
3442 [NL80211_ATTR_FREQ_RANGE_END
] = { .type
= NLA_U32
},
3443 [NL80211_ATTR_FREQ_RANGE_MAX_BW
] = { .type
= NLA_U32
},
3444 [NL80211_ATTR_POWER_RULE_MAX_ANT_GAIN
] = { .type
= NLA_U32
},
3445 [NL80211_ATTR_POWER_RULE_MAX_EIRP
] = { .type
= NLA_U32
},
3448 static int parse_reg_rule(struct nlattr
*tb
[],
3449 struct ieee80211_reg_rule
*reg_rule
)
3451 struct ieee80211_freq_range
*freq_range
= ®_rule
->freq_range
;
3452 struct ieee80211_power_rule
*power_rule
= ®_rule
->power_rule
;
3454 if (!tb
[NL80211_ATTR_REG_RULE_FLAGS
])
3456 if (!tb
[NL80211_ATTR_FREQ_RANGE_START
])
3458 if (!tb
[NL80211_ATTR_FREQ_RANGE_END
])
3460 if (!tb
[NL80211_ATTR_FREQ_RANGE_MAX_BW
])
3462 if (!tb
[NL80211_ATTR_POWER_RULE_MAX_EIRP
])
3465 reg_rule
->flags
= nla_get_u32(tb
[NL80211_ATTR_REG_RULE_FLAGS
]);
3467 freq_range
->start_freq_khz
=
3468 nla_get_u32(tb
[NL80211_ATTR_FREQ_RANGE_START
]);
3469 freq_range
->end_freq_khz
=
3470 nla_get_u32(tb
[NL80211_ATTR_FREQ_RANGE_END
]);
3471 freq_range
->max_bandwidth_khz
=
3472 nla_get_u32(tb
[NL80211_ATTR_FREQ_RANGE_MAX_BW
]);
3474 power_rule
->max_eirp
=
3475 nla_get_u32(tb
[NL80211_ATTR_POWER_RULE_MAX_EIRP
]);
3477 if (tb
[NL80211_ATTR_POWER_RULE_MAX_ANT_GAIN
])
3478 power_rule
->max_antenna_gain
=
3479 nla_get_u32(tb
[NL80211_ATTR_POWER_RULE_MAX_ANT_GAIN
]);
3484 static int nl80211_req_set_reg(struct sk_buff
*skb
, struct genl_info
*info
)
3490 * You should only get this when cfg80211 hasn't yet initialized
3491 * completely when built-in to the kernel right between the time
3492 * window between nl80211_init() and regulatory_init(), if that is
3495 mutex_lock(&cfg80211_mutex
);
3496 if (unlikely(!cfg80211_regdomain
)) {
3497 mutex_unlock(&cfg80211_mutex
);
3498 return -EINPROGRESS
;
3500 mutex_unlock(&cfg80211_mutex
);
3502 if (!info
->attrs
[NL80211_ATTR_REG_ALPHA2
])
3505 data
= nla_data(info
->attrs
[NL80211_ATTR_REG_ALPHA2
]);
3507 r
= regulatory_hint_user(data
);
3512 static int nl80211_get_mesh_config(struct sk_buff
*skb
,
3513 struct genl_info
*info
)
3515 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
3516 struct net_device
*dev
= info
->user_ptr
[1];
3517 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
3518 struct mesh_config cur_params
;
3521 struct nlattr
*pinfoattr
;
3522 struct sk_buff
*msg
;
3524 if (wdev
->iftype
!= NL80211_IFTYPE_MESH_POINT
)
3527 if (!rdev
->ops
->get_mesh_config
)
3531 /* If not connected, get default parameters */
3532 if (!wdev
->mesh_id_len
)
3533 memcpy(&cur_params
, &default_mesh_config
, sizeof(cur_params
));
3535 err
= rdev
->ops
->get_mesh_config(&rdev
->wiphy
, dev
,
3542 /* Draw up a netlink message to send back */
3543 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
3546 hdr
= nl80211hdr_put(msg
, info
->snd_pid
, info
->snd_seq
, 0,
3547 NL80211_CMD_GET_MESH_CONFIG
);
3550 pinfoattr
= nla_nest_start(msg
, NL80211_ATTR_MESH_CONFIG
);
3552 goto nla_put_failure
;
3553 if (nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, dev
->ifindex
) ||
3554 nla_put_u16(msg
, NL80211_MESHCONF_RETRY_TIMEOUT
,
3555 cur_params
.dot11MeshRetryTimeout
) ||
3556 nla_put_u16(msg
, NL80211_MESHCONF_CONFIRM_TIMEOUT
,
3557 cur_params
.dot11MeshConfirmTimeout
) ||
3558 nla_put_u16(msg
, NL80211_MESHCONF_HOLDING_TIMEOUT
,
3559 cur_params
.dot11MeshHoldingTimeout
) ||
3560 nla_put_u16(msg
, NL80211_MESHCONF_MAX_PEER_LINKS
,
3561 cur_params
.dot11MeshMaxPeerLinks
) ||
3562 nla_put_u8(msg
, NL80211_MESHCONF_MAX_RETRIES
,
3563 cur_params
.dot11MeshMaxRetries
) ||
3564 nla_put_u8(msg
, NL80211_MESHCONF_TTL
,
3565 cur_params
.dot11MeshTTL
) ||
3566 nla_put_u8(msg
, NL80211_MESHCONF_ELEMENT_TTL
,
3567 cur_params
.element_ttl
) ||
3568 nla_put_u8(msg
, NL80211_MESHCONF_AUTO_OPEN_PLINKS
,
3569 cur_params
.auto_open_plinks
) ||
3570 nla_put_u32(msg
, NL80211_MESHCONF_SYNC_OFFSET_MAX_NEIGHBOR
,
3571 cur_params
.dot11MeshNbrOffsetMaxNeighbor
) ||
3572 nla_put_u8(msg
, NL80211_MESHCONF_HWMP_MAX_PREQ_RETRIES
,
3573 cur_params
.dot11MeshHWMPmaxPREQretries
) ||
3574 nla_put_u32(msg
, NL80211_MESHCONF_PATH_REFRESH_TIME
,
3575 cur_params
.path_refresh_time
) ||
3576 nla_put_u16(msg
, NL80211_MESHCONF_MIN_DISCOVERY_TIMEOUT
,
3577 cur_params
.min_discovery_timeout
) ||
3578 nla_put_u32(msg
, NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT
,
3579 cur_params
.dot11MeshHWMPactivePathTimeout
) ||
3580 nla_put_u16(msg
, NL80211_MESHCONF_HWMP_PREQ_MIN_INTERVAL
,
3581 cur_params
.dot11MeshHWMPpreqMinInterval
) ||
3582 nla_put_u16(msg
, NL80211_MESHCONF_HWMP_PERR_MIN_INTERVAL
,
3583 cur_params
.dot11MeshHWMPperrMinInterval
) ||
3584 nla_put_u16(msg
, NL80211_MESHCONF_HWMP_NET_DIAM_TRVS_TIME
,
3585 cur_params
.dot11MeshHWMPnetDiameterTraversalTime
) ||
3586 nla_put_u8(msg
, NL80211_MESHCONF_HWMP_ROOTMODE
,
3587 cur_params
.dot11MeshHWMPRootMode
) ||
3588 nla_put_u16(msg
, NL80211_MESHCONF_HWMP_RANN_INTERVAL
,
3589 cur_params
.dot11MeshHWMPRannInterval
) ||
3590 nla_put_u8(msg
, NL80211_MESHCONF_GATE_ANNOUNCEMENTS
,
3591 cur_params
.dot11MeshGateAnnouncementProtocol
) ||
3592 nla_put_u8(msg
, NL80211_MESHCONF_FORWARDING
,
3593 cur_params
.dot11MeshForwarding
) ||
3594 nla_put_u32(msg
, NL80211_MESHCONF_RSSI_THRESHOLD
,
3595 cur_params
.rssi_threshold
) ||
3596 nla_put_u32(msg
, NL80211_MESHCONF_HT_OPMODE
,
3597 cur_params
.ht_opmode
) ||
3598 nla_put_u32(msg
, NL80211_MESHCONF_HWMP_PATH_TO_ROOT_TIMEOUT
,
3599 cur_params
.dot11MeshHWMPactivePathToRootTimeout
) ||
3600 nla_put_u16(msg
, NL80211_MESHCONF_HWMP_ROOT_INTERVAL
,
3601 cur_params
.dot11MeshHWMProotInterval
) ||
3602 nla_put_u16(msg
, NL80211_MESHCONF_HWMP_CONFIRMATION_INTERVAL
,
3603 cur_params
.dot11MeshHWMPconfirmationInterval
))
3604 goto nla_put_failure
;
3605 nla_nest_end(msg
, pinfoattr
);
3606 genlmsg_end(msg
, hdr
);
3607 return genlmsg_reply(msg
, info
);
3610 genlmsg_cancel(msg
, hdr
);
3616 static const struct nla_policy nl80211_meshconf_params_policy
[NL80211_MESHCONF_ATTR_MAX
+1] = {
3617 [NL80211_MESHCONF_RETRY_TIMEOUT
] = { .type
= NLA_U16
},
3618 [NL80211_MESHCONF_CONFIRM_TIMEOUT
] = { .type
= NLA_U16
},
3619 [NL80211_MESHCONF_HOLDING_TIMEOUT
] = { .type
= NLA_U16
},
3620 [NL80211_MESHCONF_MAX_PEER_LINKS
] = { .type
= NLA_U16
},
3621 [NL80211_MESHCONF_MAX_RETRIES
] = { .type
= NLA_U8
},
3622 [NL80211_MESHCONF_TTL
] = { .type
= NLA_U8
},
3623 [NL80211_MESHCONF_ELEMENT_TTL
] = { .type
= NLA_U8
},
3624 [NL80211_MESHCONF_AUTO_OPEN_PLINKS
] = { .type
= NLA_U8
},
3625 [NL80211_MESHCONF_SYNC_OFFSET_MAX_NEIGHBOR
] = { .type
= NLA_U32
},
3626 [NL80211_MESHCONF_HWMP_MAX_PREQ_RETRIES
] = { .type
= NLA_U8
},
3627 [NL80211_MESHCONF_PATH_REFRESH_TIME
] = { .type
= NLA_U32
},
3628 [NL80211_MESHCONF_MIN_DISCOVERY_TIMEOUT
] = { .type
= NLA_U16
},
3629 [NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT
] = { .type
= NLA_U32
},
3630 [NL80211_MESHCONF_HWMP_PREQ_MIN_INTERVAL
] = { .type
= NLA_U16
},
3631 [NL80211_MESHCONF_HWMP_PERR_MIN_INTERVAL
] = { .type
= NLA_U16
},
3632 [NL80211_MESHCONF_HWMP_NET_DIAM_TRVS_TIME
] = { .type
= NLA_U16
},
3633 [NL80211_MESHCONF_HWMP_ROOTMODE
] = { .type
= NLA_U8
},
3634 [NL80211_MESHCONF_HWMP_RANN_INTERVAL
] = { .type
= NLA_U16
},
3635 [NL80211_MESHCONF_GATE_ANNOUNCEMENTS
] = { .type
= NLA_U8
},
3636 [NL80211_MESHCONF_FORWARDING
] = { .type
= NLA_U8
},
3637 [NL80211_MESHCONF_RSSI_THRESHOLD
] = { .type
= NLA_U32
},
3638 [NL80211_MESHCONF_HT_OPMODE
] = { .type
= NLA_U16
},
3639 [NL80211_MESHCONF_HWMP_PATH_TO_ROOT_TIMEOUT
] = { .type
= NLA_U32
},
3640 [NL80211_MESHCONF_HWMP_ROOT_INTERVAL
] = { .type
= NLA_U16
},
3641 [NL80211_MESHCONF_HWMP_CONFIRMATION_INTERVAL
] = { .type
= NLA_U16
},
3644 static const struct nla_policy
3645 nl80211_mesh_setup_params_policy
[NL80211_MESH_SETUP_ATTR_MAX
+1] = {
3646 [NL80211_MESH_SETUP_ENABLE_VENDOR_SYNC
] = { .type
= NLA_U8
},
3647 [NL80211_MESH_SETUP_ENABLE_VENDOR_PATH_SEL
] = { .type
= NLA_U8
},
3648 [NL80211_MESH_SETUP_ENABLE_VENDOR_METRIC
] = { .type
= NLA_U8
},
3649 [NL80211_MESH_SETUP_USERSPACE_AUTH
] = { .type
= NLA_FLAG
},
3650 [NL80211_MESH_SETUP_IE
] = { .type
= NLA_BINARY
,
3651 .len
= IEEE80211_MAX_DATA_LEN
},
3652 [NL80211_MESH_SETUP_USERSPACE_AMPE
] = { .type
= NLA_FLAG
},
3655 static int nl80211_parse_mesh_config(struct genl_info
*info
,
3656 struct mesh_config
*cfg
,
3659 struct nlattr
*tb
[NL80211_MESHCONF_ATTR_MAX
+ 1];
3662 #define FILL_IN_MESH_PARAM_IF_SET(table, cfg, param, mask, attr_num, nla_fn) \
3664 if (table[attr_num]) {\
3665 cfg->param = nla_fn(table[attr_num]); \
3666 mask |= (1 << (attr_num - 1)); \
3671 if (!info->attrs[NL80211_ATTR_MESH_CONFIG])
3673 if (nla_parse_nested(tb
, NL80211_MESHCONF_ATTR_MAX
,
3674 info
->attrs
[NL80211_ATTR_MESH_CONFIG
],
3675 nl80211_meshconf_params_policy
))
3678 /* This makes sure that there aren't more than 32 mesh config
3679 * parameters (otherwise our bitfield scheme would not work.) */
3680 BUILD_BUG_ON(NL80211_MESHCONF_ATTR_MAX
> 32);
3682 /* Fill in the params struct */
3683 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshRetryTimeout
,
3684 mask
, NL80211_MESHCONF_RETRY_TIMEOUT
,
3686 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshConfirmTimeout
,
3687 mask
, NL80211_MESHCONF_CONFIRM_TIMEOUT
,
3689 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshHoldingTimeout
,
3690 mask
, NL80211_MESHCONF_HOLDING_TIMEOUT
,
3692 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshMaxPeerLinks
,
3693 mask
, NL80211_MESHCONF_MAX_PEER_LINKS
,
3695 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshMaxRetries
,
3696 mask
, NL80211_MESHCONF_MAX_RETRIES
,
3698 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshTTL
,
3699 mask
, NL80211_MESHCONF_TTL
, nla_get_u8
);
3700 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, element_ttl
,
3701 mask
, NL80211_MESHCONF_ELEMENT_TTL
,
3703 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, auto_open_plinks
,
3704 mask
, NL80211_MESHCONF_AUTO_OPEN_PLINKS
,
3706 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshNbrOffsetMaxNeighbor
, mask
,
3707 NL80211_MESHCONF_SYNC_OFFSET_MAX_NEIGHBOR
,
3709 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshHWMPmaxPREQretries
,
3710 mask
, NL80211_MESHCONF_HWMP_MAX_PREQ_RETRIES
,
3712 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, path_refresh_time
,
3713 mask
, NL80211_MESHCONF_PATH_REFRESH_TIME
,
3715 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, min_discovery_timeout
,
3716 mask
, NL80211_MESHCONF_MIN_DISCOVERY_TIMEOUT
,
3718 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshHWMPactivePathTimeout
, mask
,
3719 NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT
,
3721 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshHWMPpreqMinInterval
,
3722 mask
, NL80211_MESHCONF_HWMP_PREQ_MIN_INTERVAL
,
3724 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshHWMPperrMinInterval
,
3725 mask
, NL80211_MESHCONF_HWMP_PERR_MIN_INTERVAL
,
3727 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
,
3728 dot11MeshHWMPnetDiameterTraversalTime
, mask
,
3729 NL80211_MESHCONF_HWMP_NET_DIAM_TRVS_TIME
,
3731 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshHWMPRootMode
, mask
,
3732 NL80211_MESHCONF_HWMP_ROOTMODE
, nla_get_u8
);
3733 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshHWMPRannInterval
, mask
,
3734 NL80211_MESHCONF_HWMP_RANN_INTERVAL
,
3736 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
,
3737 dot11MeshGateAnnouncementProtocol
, mask
,
3738 NL80211_MESHCONF_GATE_ANNOUNCEMENTS
,
3740 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshForwarding
,
3741 mask
, NL80211_MESHCONF_FORWARDING
,
3743 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, rssi_threshold
,
3744 mask
, NL80211_MESHCONF_RSSI_THRESHOLD
,
3746 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, ht_opmode
,
3747 mask
, NL80211_MESHCONF_HT_OPMODE
,
3749 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshHWMPactivePathToRootTimeout
,
3751 NL80211_MESHCONF_HWMP_PATH_TO_ROOT_TIMEOUT
,
3753 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshHWMProotInterval
,
3754 mask
, NL80211_MESHCONF_HWMP_ROOT_INTERVAL
,
3756 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
,
3757 dot11MeshHWMPconfirmationInterval
, mask
,
3758 NL80211_MESHCONF_HWMP_CONFIRMATION_INTERVAL
,
3765 #undef FILL_IN_MESH_PARAM_IF_SET
3768 static int nl80211_parse_mesh_setup(struct genl_info
*info
,
3769 struct mesh_setup
*setup
)
3771 struct nlattr
*tb
[NL80211_MESH_SETUP_ATTR_MAX
+ 1];
3773 if (!info
->attrs
[NL80211_ATTR_MESH_SETUP
])
3775 if (nla_parse_nested(tb
, NL80211_MESH_SETUP_ATTR_MAX
,
3776 info
->attrs
[NL80211_ATTR_MESH_SETUP
],
3777 nl80211_mesh_setup_params_policy
))
3780 if (tb
[NL80211_MESH_SETUP_ENABLE_VENDOR_SYNC
])
3781 setup
->sync_method
=
3782 (nla_get_u8(tb
[NL80211_MESH_SETUP_ENABLE_VENDOR_SYNC
])) ?
3783 IEEE80211_SYNC_METHOD_VENDOR
:
3784 IEEE80211_SYNC_METHOD_NEIGHBOR_OFFSET
;
3786 if (tb
[NL80211_MESH_SETUP_ENABLE_VENDOR_PATH_SEL
])
3787 setup
->path_sel_proto
=
3788 (nla_get_u8(tb
[NL80211_MESH_SETUP_ENABLE_VENDOR_PATH_SEL
])) ?
3789 IEEE80211_PATH_PROTOCOL_VENDOR
:
3790 IEEE80211_PATH_PROTOCOL_HWMP
;
3792 if (tb
[NL80211_MESH_SETUP_ENABLE_VENDOR_METRIC
])
3793 setup
->path_metric
=
3794 (nla_get_u8(tb
[NL80211_MESH_SETUP_ENABLE_VENDOR_METRIC
])) ?
3795 IEEE80211_PATH_METRIC_VENDOR
:
3796 IEEE80211_PATH_METRIC_AIRTIME
;
3799 if (tb
[NL80211_MESH_SETUP_IE
]) {
3800 struct nlattr
*ieattr
=
3801 tb
[NL80211_MESH_SETUP_IE
];
3802 if (!is_valid_ie_attr(ieattr
))
3804 setup
->ie
= nla_data(ieattr
);
3805 setup
->ie_len
= nla_len(ieattr
);
3807 setup
->is_authenticated
= nla_get_flag(tb
[NL80211_MESH_SETUP_USERSPACE_AUTH
]);
3808 setup
->is_secure
= nla_get_flag(tb
[NL80211_MESH_SETUP_USERSPACE_AMPE
]);
3813 static int nl80211_update_mesh_config(struct sk_buff
*skb
,
3814 struct genl_info
*info
)
3816 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
3817 struct net_device
*dev
= info
->user_ptr
[1];
3818 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
3819 struct mesh_config cfg
;
3823 if (wdev
->iftype
!= NL80211_IFTYPE_MESH_POINT
)
3826 if (!rdev
->ops
->update_mesh_config
)
3829 err
= nl80211_parse_mesh_config(info
, &cfg
, &mask
);
3834 if (!wdev
->mesh_id_len
)
3838 err
= rdev
->ops
->update_mesh_config(&rdev
->wiphy
, dev
,
3846 static int nl80211_get_reg(struct sk_buff
*skb
, struct genl_info
*info
)
3848 struct sk_buff
*msg
;
3850 struct nlattr
*nl_reg_rules
;
3854 mutex_lock(&cfg80211_mutex
);
3856 if (!cfg80211_regdomain
)
3859 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
3865 hdr
= nl80211hdr_put(msg
, info
->snd_pid
, info
->snd_seq
, 0,
3866 NL80211_CMD_GET_REG
);
3870 if (nla_put_string(msg
, NL80211_ATTR_REG_ALPHA2
,
3871 cfg80211_regdomain
->alpha2
) ||
3872 (cfg80211_regdomain
->dfs_region
&&
3873 nla_put_u8(msg
, NL80211_ATTR_DFS_REGION
,
3874 cfg80211_regdomain
->dfs_region
)))
3875 goto nla_put_failure
;
3877 nl_reg_rules
= nla_nest_start(msg
, NL80211_ATTR_REG_RULES
);
3879 goto nla_put_failure
;
3881 for (i
= 0; i
< cfg80211_regdomain
->n_reg_rules
; i
++) {
3882 struct nlattr
*nl_reg_rule
;
3883 const struct ieee80211_reg_rule
*reg_rule
;
3884 const struct ieee80211_freq_range
*freq_range
;
3885 const struct ieee80211_power_rule
*power_rule
;
3887 reg_rule
= &cfg80211_regdomain
->reg_rules
[i
];
3888 freq_range
= ®_rule
->freq_range
;
3889 power_rule
= ®_rule
->power_rule
;
3891 nl_reg_rule
= nla_nest_start(msg
, i
);
3893 goto nla_put_failure
;
3895 if (nla_put_u32(msg
, NL80211_ATTR_REG_RULE_FLAGS
,
3897 nla_put_u32(msg
, NL80211_ATTR_FREQ_RANGE_START
,
3898 freq_range
->start_freq_khz
) ||
3899 nla_put_u32(msg
, NL80211_ATTR_FREQ_RANGE_END
,
3900 freq_range
->end_freq_khz
) ||
3901 nla_put_u32(msg
, NL80211_ATTR_FREQ_RANGE_MAX_BW
,
3902 freq_range
->max_bandwidth_khz
) ||
3903 nla_put_u32(msg
, NL80211_ATTR_POWER_RULE_MAX_ANT_GAIN
,
3904 power_rule
->max_antenna_gain
) ||
3905 nla_put_u32(msg
, NL80211_ATTR_POWER_RULE_MAX_EIRP
,
3906 power_rule
->max_eirp
))
3907 goto nla_put_failure
;
3909 nla_nest_end(msg
, nl_reg_rule
);
3912 nla_nest_end(msg
, nl_reg_rules
);
3914 genlmsg_end(msg
, hdr
);
3915 err
= genlmsg_reply(msg
, info
);
3919 genlmsg_cancel(msg
, hdr
);
3924 mutex_unlock(&cfg80211_mutex
);
3928 static int nl80211_set_reg(struct sk_buff
*skb
, struct genl_info
*info
)
3930 struct nlattr
*tb
[NL80211_REG_RULE_ATTR_MAX
+ 1];
3931 struct nlattr
*nl_reg_rule
;
3932 char *alpha2
= NULL
;
3933 int rem_reg_rules
= 0, r
= 0;
3934 u32 num_rules
= 0, rule_idx
= 0, size_of_regd
;
3936 struct ieee80211_regdomain
*rd
= NULL
;
3938 if (!info
->attrs
[NL80211_ATTR_REG_ALPHA2
])
3941 if (!info
->attrs
[NL80211_ATTR_REG_RULES
])
3944 alpha2
= nla_data(info
->attrs
[NL80211_ATTR_REG_ALPHA2
]);
3946 if (info
->attrs
[NL80211_ATTR_DFS_REGION
])
3947 dfs_region
= nla_get_u8(info
->attrs
[NL80211_ATTR_DFS_REGION
]);
3949 nla_for_each_nested(nl_reg_rule
, info
->attrs
[NL80211_ATTR_REG_RULES
],
3952 if (num_rules
> NL80211_MAX_SUPP_REG_RULES
)
3956 mutex_lock(&cfg80211_mutex
);
3958 if (!reg_is_valid_request(alpha2
)) {
3963 size_of_regd
= sizeof(struct ieee80211_regdomain
) +
3964 (num_rules
* sizeof(struct ieee80211_reg_rule
));
3966 rd
= kzalloc(size_of_regd
, GFP_KERNEL
);
3972 rd
->n_reg_rules
= num_rules
;
3973 rd
->alpha2
[0] = alpha2
[0];
3974 rd
->alpha2
[1] = alpha2
[1];
3977 * Disable DFS master mode if the DFS region was
3978 * not supported or known on this kernel.
3980 if (reg_supported_dfs_region(dfs_region
))
3981 rd
->dfs_region
= dfs_region
;
3983 nla_for_each_nested(nl_reg_rule
, info
->attrs
[NL80211_ATTR_REG_RULES
],
3985 nla_parse(tb
, NL80211_REG_RULE_ATTR_MAX
,
3986 nla_data(nl_reg_rule
), nla_len(nl_reg_rule
),
3988 r
= parse_reg_rule(tb
, &rd
->reg_rules
[rule_idx
]);
3994 if (rule_idx
> NL80211_MAX_SUPP_REG_RULES
) {
4000 BUG_ON(rule_idx
!= num_rules
);
4004 mutex_unlock(&cfg80211_mutex
);
4009 mutex_unlock(&cfg80211_mutex
);
4014 static int validate_scan_freqs(struct nlattr
*freqs
)
4016 struct nlattr
*attr1
, *attr2
;
4017 int n_channels
= 0, tmp1
, tmp2
;
4019 nla_for_each_nested(attr1
, freqs
, tmp1
) {
4022 * Some hardware has a limited channel list for
4023 * scanning, and it is pretty much nonsensical
4024 * to scan for a channel twice, so disallow that
4025 * and don't require drivers to check that the
4026 * channel list they get isn't longer than what
4027 * they can scan, as long as they can scan all
4028 * the channels they registered at once.
4030 nla_for_each_nested(attr2
, freqs
, tmp2
)
4031 if (attr1
!= attr2
&&
4032 nla_get_u32(attr1
) == nla_get_u32(attr2
))
4039 static int nl80211_trigger_scan(struct sk_buff
*skb
, struct genl_info
*info
)
4041 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
4042 struct net_device
*dev
= info
->user_ptr
[1];
4043 struct cfg80211_scan_request
*request
;
4044 struct nlattr
*attr
;
4045 struct wiphy
*wiphy
;
4046 int err
, tmp
, n_ssids
= 0, n_channels
, i
;
4049 if (!is_valid_ie_attr(info
->attrs
[NL80211_ATTR_IE
]))
4052 wiphy
= &rdev
->wiphy
;
4054 if (!rdev
->ops
->scan
)
4060 if (info
->attrs
[NL80211_ATTR_SCAN_FREQUENCIES
]) {
4061 n_channels
= validate_scan_freqs(
4062 info
->attrs
[NL80211_ATTR_SCAN_FREQUENCIES
]);
4066 enum ieee80211_band band
;
4069 for (band
= 0; band
< IEEE80211_NUM_BANDS
; band
++)
4070 if (wiphy
->bands
[band
])
4071 n_channels
+= wiphy
->bands
[band
]->n_channels
;
4074 if (info
->attrs
[NL80211_ATTR_SCAN_SSIDS
])
4075 nla_for_each_nested(attr
, info
->attrs
[NL80211_ATTR_SCAN_SSIDS
], tmp
)
4078 if (n_ssids
> wiphy
->max_scan_ssids
)
4081 if (info
->attrs
[NL80211_ATTR_IE
])
4082 ie_len
= nla_len(info
->attrs
[NL80211_ATTR_IE
]);
4086 if (ie_len
> wiphy
->max_scan_ie_len
)
4089 request
= kzalloc(sizeof(*request
)
4090 + sizeof(*request
->ssids
) * n_ssids
4091 + sizeof(*request
->channels
) * n_channels
4092 + ie_len
, GFP_KERNEL
);
4097 request
->ssids
= (void *)&request
->channels
[n_channels
];
4098 request
->n_ssids
= n_ssids
;
4101 request
->ie
= (void *)(request
->ssids
+ n_ssids
);
4103 request
->ie
= (void *)(request
->channels
+ n_channels
);
4107 if (info
->attrs
[NL80211_ATTR_SCAN_FREQUENCIES
]) {
4108 /* user specified, bail out if channel not found */
4109 nla_for_each_nested(attr
, info
->attrs
[NL80211_ATTR_SCAN_FREQUENCIES
], tmp
) {
4110 struct ieee80211_channel
*chan
;
4112 chan
= ieee80211_get_channel(wiphy
, nla_get_u32(attr
));
4119 /* ignore disabled channels */
4120 if (chan
->flags
& IEEE80211_CHAN_DISABLED
)
4123 request
->channels
[i
] = chan
;
4127 enum ieee80211_band band
;
4130 for (band
= 0; band
< IEEE80211_NUM_BANDS
; band
++) {
4132 if (!wiphy
->bands
[band
])
4134 for (j
= 0; j
< wiphy
->bands
[band
]->n_channels
; j
++) {
4135 struct ieee80211_channel
*chan
;
4137 chan
= &wiphy
->bands
[band
]->channels
[j
];
4139 if (chan
->flags
& IEEE80211_CHAN_DISABLED
)
4142 request
->channels
[i
] = chan
;
4153 request
->n_channels
= i
;
4156 if (info
->attrs
[NL80211_ATTR_SCAN_SSIDS
]) {
4157 nla_for_each_nested(attr
, info
->attrs
[NL80211_ATTR_SCAN_SSIDS
], tmp
) {
4158 if (nla_len(attr
) > IEEE80211_MAX_SSID_LEN
) {
4162 request
->ssids
[i
].ssid_len
= nla_len(attr
);
4163 memcpy(request
->ssids
[i
].ssid
, nla_data(attr
), nla_len(attr
));
4168 if (info
->attrs
[NL80211_ATTR_IE
]) {
4169 request
->ie_len
= nla_len(info
->attrs
[NL80211_ATTR_IE
]);
4170 memcpy((void *)request
->ie
,
4171 nla_data(info
->attrs
[NL80211_ATTR_IE
]),
4175 for (i
= 0; i
< IEEE80211_NUM_BANDS
; i
++)
4176 if (wiphy
->bands
[i
])
4178 (1 << wiphy
->bands
[i
]->n_bitrates
) - 1;
4180 if (info
->attrs
[NL80211_ATTR_SCAN_SUPP_RATES
]) {
4181 nla_for_each_nested(attr
,
4182 info
->attrs
[NL80211_ATTR_SCAN_SUPP_RATES
],
4184 enum ieee80211_band band
= nla_type(attr
);
4186 if (band
< 0 || band
>= IEEE80211_NUM_BANDS
) {
4190 err
= ieee80211_get_ratemask(wiphy
->bands
[band
],
4193 &request
->rates
[band
]);
4200 nla_get_flag(info
->attrs
[NL80211_ATTR_TX_NO_CCK_RATE
]);
4203 request
->wiphy
= &rdev
->wiphy
;
4205 rdev
->scan_req
= request
;
4206 err
= rdev
->ops
->scan(&rdev
->wiphy
, dev
, request
);
4209 nl80211_send_scan_start(rdev
, dev
);
4213 rdev
->scan_req
= NULL
;
4220 static int nl80211_start_sched_scan(struct sk_buff
*skb
,
4221 struct genl_info
*info
)
4223 struct cfg80211_sched_scan_request
*request
;
4224 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
4225 struct net_device
*dev
= info
->user_ptr
[1];
4226 struct nlattr
*attr
;
4227 struct wiphy
*wiphy
;
4228 int err
, tmp
, n_ssids
= 0, n_match_sets
= 0, n_channels
, i
;
4230 enum ieee80211_band band
;
4232 struct nlattr
*tb
[NL80211_SCHED_SCAN_MATCH_ATTR_MAX
+ 1];
4234 if (!(rdev
->wiphy
.flags
& WIPHY_FLAG_SUPPORTS_SCHED_SCAN
) ||
4235 !rdev
->ops
->sched_scan_start
)
4238 if (!is_valid_ie_attr(info
->attrs
[NL80211_ATTR_IE
]))
4241 if (!info
->attrs
[NL80211_ATTR_SCHED_SCAN_INTERVAL
])
4244 interval
= nla_get_u32(info
->attrs
[NL80211_ATTR_SCHED_SCAN_INTERVAL
]);
4248 wiphy
= &rdev
->wiphy
;
4250 if (info
->attrs
[NL80211_ATTR_SCAN_FREQUENCIES
]) {
4251 n_channels
= validate_scan_freqs(
4252 info
->attrs
[NL80211_ATTR_SCAN_FREQUENCIES
]);
4258 for (band
= 0; band
< IEEE80211_NUM_BANDS
; band
++)
4259 if (wiphy
->bands
[band
])
4260 n_channels
+= wiphy
->bands
[band
]->n_channels
;
4263 if (info
->attrs
[NL80211_ATTR_SCAN_SSIDS
])
4264 nla_for_each_nested(attr
, info
->attrs
[NL80211_ATTR_SCAN_SSIDS
],
4268 if (n_ssids
> wiphy
->max_sched_scan_ssids
)
4271 if (info
->attrs
[NL80211_ATTR_SCHED_SCAN_MATCH
])
4272 nla_for_each_nested(attr
,
4273 info
->attrs
[NL80211_ATTR_SCHED_SCAN_MATCH
],
4277 if (n_match_sets
> wiphy
->max_match_sets
)
4280 if (info
->attrs
[NL80211_ATTR_IE
])
4281 ie_len
= nla_len(info
->attrs
[NL80211_ATTR_IE
]);
4285 if (ie_len
> wiphy
->max_sched_scan_ie_len
)
4288 mutex_lock(&rdev
->sched_scan_mtx
);
4290 if (rdev
->sched_scan_req
) {
4295 request
= kzalloc(sizeof(*request
)
4296 + sizeof(*request
->ssids
) * n_ssids
4297 + sizeof(*request
->match_sets
) * n_match_sets
4298 + sizeof(*request
->channels
) * n_channels
4299 + ie_len
, GFP_KERNEL
);
4306 request
->ssids
= (void *)&request
->channels
[n_channels
];
4307 request
->n_ssids
= n_ssids
;
4310 request
->ie
= (void *)(request
->ssids
+ n_ssids
);
4312 request
->ie
= (void *)(request
->channels
+ n_channels
);
4317 request
->match_sets
= (void *)(request
->ie
+ ie_len
);
4318 else if (request
->ssids
)
4319 request
->match_sets
=
4320 (void *)(request
->ssids
+ n_ssids
);
4322 request
->match_sets
=
4323 (void *)(request
->channels
+ n_channels
);
4325 request
->n_match_sets
= n_match_sets
;
4328 if (info
->attrs
[NL80211_ATTR_SCAN_FREQUENCIES
]) {
4329 /* user specified, bail out if channel not found */
4330 nla_for_each_nested(attr
,
4331 info
->attrs
[NL80211_ATTR_SCAN_FREQUENCIES
],
4333 struct ieee80211_channel
*chan
;
4335 chan
= ieee80211_get_channel(wiphy
, nla_get_u32(attr
));
4342 /* ignore disabled channels */
4343 if (chan
->flags
& IEEE80211_CHAN_DISABLED
)
4346 request
->channels
[i
] = chan
;
4351 for (band
= 0; band
< IEEE80211_NUM_BANDS
; band
++) {
4353 if (!wiphy
->bands
[band
])
4355 for (j
= 0; j
< wiphy
->bands
[band
]->n_channels
; j
++) {
4356 struct ieee80211_channel
*chan
;
4358 chan
= &wiphy
->bands
[band
]->channels
[j
];
4360 if (chan
->flags
& IEEE80211_CHAN_DISABLED
)
4363 request
->channels
[i
] = chan
;
4374 request
->n_channels
= i
;
4377 if (info
->attrs
[NL80211_ATTR_SCAN_SSIDS
]) {
4378 nla_for_each_nested(attr
, info
->attrs
[NL80211_ATTR_SCAN_SSIDS
],
4380 if (nla_len(attr
) > IEEE80211_MAX_SSID_LEN
) {
4384 request
->ssids
[i
].ssid_len
= nla_len(attr
);
4385 memcpy(request
->ssids
[i
].ssid
, nla_data(attr
),
4392 if (info
->attrs
[NL80211_ATTR_SCHED_SCAN_MATCH
]) {
4393 nla_for_each_nested(attr
,
4394 info
->attrs
[NL80211_ATTR_SCHED_SCAN_MATCH
],
4396 struct nlattr
*ssid
, *rssi
;
4398 nla_parse(tb
, NL80211_SCHED_SCAN_MATCH_ATTR_MAX
,
4399 nla_data(attr
), nla_len(attr
),
4400 nl80211_match_policy
);
4401 ssid
= tb
[NL80211_SCHED_SCAN_MATCH_ATTR_SSID
];
4403 if (nla_len(ssid
) > IEEE80211_MAX_SSID_LEN
) {
4407 memcpy(request
->match_sets
[i
].ssid
.ssid
,
4408 nla_data(ssid
), nla_len(ssid
));
4409 request
->match_sets
[i
].ssid
.ssid_len
=
4412 rssi
= tb
[NL80211_SCHED_SCAN_MATCH_ATTR_RSSI
];
4414 request
->rssi_thold
= nla_get_u32(rssi
);
4416 request
->rssi_thold
=
4417 NL80211_SCAN_RSSI_THOLD_OFF
;
4422 if (info
->attrs
[NL80211_ATTR_IE
]) {
4423 request
->ie_len
= nla_len(info
->attrs
[NL80211_ATTR_IE
]);
4424 memcpy((void *)request
->ie
,
4425 nla_data(info
->attrs
[NL80211_ATTR_IE
]),
4430 request
->wiphy
= &rdev
->wiphy
;
4431 request
->interval
= interval
;
4433 err
= rdev
->ops
->sched_scan_start(&rdev
->wiphy
, dev
, request
);
4435 rdev
->sched_scan_req
= request
;
4436 nl80211_send_sched_scan(rdev
, dev
,
4437 NL80211_CMD_START_SCHED_SCAN
);
4444 mutex_unlock(&rdev
->sched_scan_mtx
);
4448 static int nl80211_stop_sched_scan(struct sk_buff
*skb
,
4449 struct genl_info
*info
)
4451 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
4454 if (!(rdev
->wiphy
.flags
& WIPHY_FLAG_SUPPORTS_SCHED_SCAN
) ||
4455 !rdev
->ops
->sched_scan_stop
)
4458 mutex_lock(&rdev
->sched_scan_mtx
);
4459 err
= __cfg80211_stop_sched_scan(rdev
, false);
4460 mutex_unlock(&rdev
->sched_scan_mtx
);
4465 static int nl80211_send_bss(struct sk_buff
*msg
, struct netlink_callback
*cb
,
4467 struct cfg80211_registered_device
*rdev
,
4468 struct wireless_dev
*wdev
,
4469 struct cfg80211_internal_bss
*intbss
)
4471 struct cfg80211_bss
*res
= &intbss
->pub
;
4475 ASSERT_WDEV_LOCK(wdev
);
4477 hdr
= nl80211hdr_put(msg
, NETLINK_CB(cb
->skb
).pid
, seq
, flags
,
4478 NL80211_CMD_NEW_SCAN_RESULTS
);
4482 genl_dump_check_consistent(cb
, hdr
, &nl80211_fam
);
4484 if (nla_put_u32(msg
, NL80211_ATTR_GENERATION
, rdev
->bss_generation
) ||
4485 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, wdev
->netdev
->ifindex
))
4486 goto nla_put_failure
;
4488 bss
= nla_nest_start(msg
, NL80211_ATTR_BSS
);
4490 goto nla_put_failure
;
4491 if ((!is_zero_ether_addr(res
->bssid
) &&
4492 nla_put(msg
, NL80211_BSS_BSSID
, ETH_ALEN
, res
->bssid
)) ||
4493 (res
->information_elements
&& res
->len_information_elements
&&
4494 nla_put(msg
, NL80211_BSS_INFORMATION_ELEMENTS
,
4495 res
->len_information_elements
,
4496 res
->information_elements
)) ||
4497 (res
->beacon_ies
&& res
->len_beacon_ies
&&
4498 res
->beacon_ies
!= res
->information_elements
&&
4499 nla_put(msg
, NL80211_BSS_BEACON_IES
,
4500 res
->len_beacon_ies
, res
->beacon_ies
)))
4501 goto nla_put_failure
;
4503 nla_put_u64(msg
, NL80211_BSS_TSF
, res
->tsf
))
4504 goto nla_put_failure
;
4505 if (res
->beacon_interval
&&
4506 nla_put_u16(msg
, NL80211_BSS_BEACON_INTERVAL
, res
->beacon_interval
))
4507 goto nla_put_failure
;
4508 if (nla_put_u16(msg
, NL80211_BSS_CAPABILITY
, res
->capability
) ||
4509 nla_put_u32(msg
, NL80211_BSS_FREQUENCY
, res
->channel
->center_freq
) ||
4510 nla_put_u32(msg
, NL80211_BSS_SEEN_MS_AGO
,
4511 jiffies_to_msecs(jiffies
- intbss
->ts
)))
4512 goto nla_put_failure
;
4514 switch (rdev
->wiphy
.signal_type
) {
4515 case CFG80211_SIGNAL_TYPE_MBM
:
4516 if (nla_put_u32(msg
, NL80211_BSS_SIGNAL_MBM
, res
->signal
))
4517 goto nla_put_failure
;
4519 case CFG80211_SIGNAL_TYPE_UNSPEC
:
4520 if (nla_put_u8(msg
, NL80211_BSS_SIGNAL_UNSPEC
, res
->signal
))
4521 goto nla_put_failure
;
4527 switch (wdev
->iftype
) {
4528 case NL80211_IFTYPE_P2P_CLIENT
:
4529 case NL80211_IFTYPE_STATION
:
4530 if (intbss
== wdev
->current_bss
&&
4531 nla_put_u32(msg
, NL80211_BSS_STATUS
,
4532 NL80211_BSS_STATUS_ASSOCIATED
))
4533 goto nla_put_failure
;
4535 case NL80211_IFTYPE_ADHOC
:
4536 if (intbss
== wdev
->current_bss
&&
4537 nla_put_u32(msg
, NL80211_BSS_STATUS
,
4538 NL80211_BSS_STATUS_IBSS_JOINED
))
4539 goto nla_put_failure
;
4545 nla_nest_end(msg
, bss
);
4547 return genlmsg_end(msg
, hdr
);
4550 genlmsg_cancel(msg
, hdr
);
4554 static int nl80211_dump_scan(struct sk_buff
*skb
,
4555 struct netlink_callback
*cb
)
4557 struct cfg80211_registered_device
*rdev
;
4558 struct net_device
*dev
;
4559 struct cfg80211_internal_bss
*scan
;
4560 struct wireless_dev
*wdev
;
4561 int start
= cb
->args
[1], idx
= 0;
4564 err
= nl80211_prepare_netdev_dump(skb
, cb
, &rdev
, &dev
);
4568 wdev
= dev
->ieee80211_ptr
;
4571 spin_lock_bh(&rdev
->bss_lock
);
4572 cfg80211_bss_expire(rdev
);
4574 cb
->seq
= rdev
->bss_generation
;
4576 list_for_each_entry(scan
, &rdev
->bss_list
, list
) {
4579 if (nl80211_send_bss(skb
, cb
,
4580 cb
->nlh
->nlmsg_seq
, NLM_F_MULTI
,
4581 rdev
, wdev
, scan
) < 0) {
4587 spin_unlock_bh(&rdev
->bss_lock
);
4591 nl80211_finish_netdev_dump(rdev
);
4596 static int nl80211_send_survey(struct sk_buff
*msg
, u32 pid
, u32 seq
,
4597 int flags
, struct net_device
*dev
,
4598 struct survey_info
*survey
)
4601 struct nlattr
*infoattr
;
4603 hdr
= nl80211hdr_put(msg
, pid
, seq
, flags
,
4604 NL80211_CMD_NEW_SURVEY_RESULTS
);
4608 if (nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, dev
->ifindex
))
4609 goto nla_put_failure
;
4611 infoattr
= nla_nest_start(msg
, NL80211_ATTR_SURVEY_INFO
);
4613 goto nla_put_failure
;
4615 if (nla_put_u32(msg
, NL80211_SURVEY_INFO_FREQUENCY
,
4616 survey
->channel
->center_freq
))
4617 goto nla_put_failure
;
4619 if ((survey
->filled
& SURVEY_INFO_NOISE_DBM
) &&
4620 nla_put_u8(msg
, NL80211_SURVEY_INFO_NOISE
, survey
->noise
))
4621 goto nla_put_failure
;
4622 if ((survey
->filled
& SURVEY_INFO_IN_USE
) &&
4623 nla_put_flag(msg
, NL80211_SURVEY_INFO_IN_USE
))
4624 goto nla_put_failure
;
4625 if ((survey
->filled
& SURVEY_INFO_CHANNEL_TIME
) &&
4626 nla_put_u64(msg
, NL80211_SURVEY_INFO_CHANNEL_TIME
,
4627 survey
->channel_time
))
4628 goto nla_put_failure
;
4629 if ((survey
->filled
& SURVEY_INFO_CHANNEL_TIME_BUSY
) &&
4630 nla_put_u64(msg
, NL80211_SURVEY_INFO_CHANNEL_TIME_BUSY
,
4631 survey
->channel_time_busy
))
4632 goto nla_put_failure
;
4633 if ((survey
->filled
& SURVEY_INFO_CHANNEL_TIME_EXT_BUSY
) &&
4634 nla_put_u64(msg
, NL80211_SURVEY_INFO_CHANNEL_TIME_EXT_BUSY
,
4635 survey
->channel_time_ext_busy
))
4636 goto nla_put_failure
;
4637 if ((survey
->filled
& SURVEY_INFO_CHANNEL_TIME_RX
) &&
4638 nla_put_u64(msg
, NL80211_SURVEY_INFO_CHANNEL_TIME_RX
,
4639 survey
->channel_time_rx
))
4640 goto nla_put_failure
;
4641 if ((survey
->filled
& SURVEY_INFO_CHANNEL_TIME_TX
) &&
4642 nla_put_u64(msg
, NL80211_SURVEY_INFO_CHANNEL_TIME_TX
,
4643 survey
->channel_time_tx
))
4644 goto nla_put_failure
;
4646 nla_nest_end(msg
, infoattr
);
4648 return genlmsg_end(msg
, hdr
);
4651 genlmsg_cancel(msg
, hdr
);
4655 static int nl80211_dump_survey(struct sk_buff
*skb
,
4656 struct netlink_callback
*cb
)
4658 struct survey_info survey
;
4659 struct cfg80211_registered_device
*dev
;
4660 struct net_device
*netdev
;
4661 int survey_idx
= cb
->args
[1];
4664 res
= nl80211_prepare_netdev_dump(skb
, cb
, &dev
, &netdev
);
4668 if (!dev
->ops
->dump_survey
) {
4674 struct ieee80211_channel
*chan
;
4676 res
= dev
->ops
->dump_survey(&dev
->wiphy
, netdev
, survey_idx
,
4683 /* Survey without a channel doesn't make sense */
4684 if (!survey
.channel
) {
4689 chan
= ieee80211_get_channel(&dev
->wiphy
,
4690 survey
.channel
->center_freq
);
4691 if (!chan
|| chan
->flags
& IEEE80211_CHAN_DISABLED
) {
4696 if (nl80211_send_survey(skb
,
4697 NETLINK_CB(cb
->skb
).pid
,
4698 cb
->nlh
->nlmsg_seq
, NLM_F_MULTI
,
4706 cb
->args
[1] = survey_idx
;
4709 nl80211_finish_netdev_dump(dev
);
4713 static bool nl80211_valid_auth_type(enum nl80211_auth_type auth_type
)
4715 return auth_type
<= NL80211_AUTHTYPE_MAX
;
4718 static bool nl80211_valid_wpa_versions(u32 wpa_versions
)
4720 return !(wpa_versions
& ~(NL80211_WPA_VERSION_1
|
4721 NL80211_WPA_VERSION_2
));
4724 static int nl80211_authenticate(struct sk_buff
*skb
, struct genl_info
*info
)
4726 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
4727 struct net_device
*dev
= info
->user_ptr
[1];
4728 struct ieee80211_channel
*chan
;
4729 const u8
*bssid
, *ssid
, *ie
= NULL
;
4730 int err
, ssid_len
, ie_len
= 0;
4731 enum nl80211_auth_type auth_type
;
4732 struct key_parse key
;
4733 bool local_state_change
;
4735 if (!is_valid_ie_attr(info
->attrs
[NL80211_ATTR_IE
]))
4738 if (!info
->attrs
[NL80211_ATTR_MAC
])
4741 if (!info
->attrs
[NL80211_ATTR_AUTH_TYPE
])
4744 if (!info
->attrs
[NL80211_ATTR_SSID
])
4747 if (!info
->attrs
[NL80211_ATTR_WIPHY_FREQ
])
4750 err
= nl80211_parse_key(info
, &key
);
4755 if (key
.type
!= -1 && key
.type
!= NL80211_KEYTYPE_GROUP
)
4757 if (!key
.p
.key
|| !key
.p
.key_len
)
4759 if ((key
.p
.cipher
!= WLAN_CIPHER_SUITE_WEP40
||
4760 key
.p
.key_len
!= WLAN_KEY_LEN_WEP40
) &&
4761 (key
.p
.cipher
!= WLAN_CIPHER_SUITE_WEP104
||
4762 key
.p
.key_len
!= WLAN_KEY_LEN_WEP104
))
4774 for (i
= 0; i
< rdev
->wiphy
.n_cipher_suites
; i
++) {
4775 if (key
.p
.cipher
== rdev
->wiphy
.cipher_suites
[i
]) {
4784 if (!rdev
->ops
->auth
)
4787 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_STATION
&&
4788 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_CLIENT
)
4791 bssid
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
4792 chan
= ieee80211_get_channel(&rdev
->wiphy
,
4793 nla_get_u32(info
->attrs
[NL80211_ATTR_WIPHY_FREQ
]));
4794 if (!chan
|| (chan
->flags
& IEEE80211_CHAN_DISABLED
))
4797 ssid
= nla_data(info
->attrs
[NL80211_ATTR_SSID
]);
4798 ssid_len
= nla_len(info
->attrs
[NL80211_ATTR_SSID
]);
4800 if (info
->attrs
[NL80211_ATTR_IE
]) {
4801 ie
= nla_data(info
->attrs
[NL80211_ATTR_IE
]);
4802 ie_len
= nla_len(info
->attrs
[NL80211_ATTR_IE
]);
4805 auth_type
= nla_get_u32(info
->attrs
[NL80211_ATTR_AUTH_TYPE
]);
4806 if (!nl80211_valid_auth_type(auth_type
))
4809 local_state_change
= !!info
->attrs
[NL80211_ATTR_LOCAL_STATE_CHANGE
];
4812 * Since we no longer track auth state, ignore
4813 * requests to only change local state.
4815 if (local_state_change
)
4818 return cfg80211_mlme_auth(rdev
, dev
, chan
, auth_type
, bssid
,
4819 ssid
, ssid_len
, ie
, ie_len
,
4820 key
.p
.key
, key
.p
.key_len
, key
.idx
);
4823 static int nl80211_crypto_settings(struct cfg80211_registered_device
*rdev
,
4824 struct genl_info
*info
,
4825 struct cfg80211_crypto_settings
*settings
,
4828 memset(settings
, 0, sizeof(*settings
));
4830 settings
->control_port
= info
->attrs
[NL80211_ATTR_CONTROL_PORT
];
4832 if (info
->attrs
[NL80211_ATTR_CONTROL_PORT_ETHERTYPE
]) {
4834 proto
= nla_get_u16(
4835 info
->attrs
[NL80211_ATTR_CONTROL_PORT_ETHERTYPE
]);
4836 settings
->control_port_ethertype
= cpu_to_be16(proto
);
4837 if (!(rdev
->wiphy
.flags
& WIPHY_FLAG_CONTROL_PORT_PROTOCOL
) &&
4840 if (info
->attrs
[NL80211_ATTR_CONTROL_PORT_NO_ENCRYPT
])
4841 settings
->control_port_no_encrypt
= true;
4843 settings
->control_port_ethertype
= cpu_to_be16(ETH_P_PAE
);
4845 if (info
->attrs
[NL80211_ATTR_CIPHER_SUITES_PAIRWISE
]) {
4849 data
= nla_data(info
->attrs
[NL80211_ATTR_CIPHER_SUITES_PAIRWISE
]);
4850 len
= nla_len(info
->attrs
[NL80211_ATTR_CIPHER_SUITES_PAIRWISE
]);
4851 settings
->n_ciphers_pairwise
= len
/ sizeof(u32
);
4853 if (len
% sizeof(u32
))
4856 if (settings
->n_ciphers_pairwise
> cipher_limit
)
4859 memcpy(settings
->ciphers_pairwise
, data
, len
);
4861 for (i
= 0; i
< settings
->n_ciphers_pairwise
; i
++)
4862 if (!cfg80211_supported_cipher_suite(
4864 settings
->ciphers_pairwise
[i
]))
4868 if (info
->attrs
[NL80211_ATTR_CIPHER_SUITE_GROUP
]) {
4869 settings
->cipher_group
=
4870 nla_get_u32(info
->attrs
[NL80211_ATTR_CIPHER_SUITE_GROUP
]);
4871 if (!cfg80211_supported_cipher_suite(&rdev
->wiphy
,
4872 settings
->cipher_group
))
4876 if (info
->attrs
[NL80211_ATTR_WPA_VERSIONS
]) {
4877 settings
->wpa_versions
=
4878 nla_get_u32(info
->attrs
[NL80211_ATTR_WPA_VERSIONS
]);
4879 if (!nl80211_valid_wpa_versions(settings
->wpa_versions
))
4883 if (info
->attrs
[NL80211_ATTR_AKM_SUITES
]) {
4887 data
= nla_data(info
->attrs
[NL80211_ATTR_AKM_SUITES
]);
4888 len
= nla_len(info
->attrs
[NL80211_ATTR_AKM_SUITES
]);
4889 settings
->n_akm_suites
= len
/ sizeof(u32
);
4891 if (len
% sizeof(u32
))
4894 if (settings
->n_akm_suites
> NL80211_MAX_NR_AKM_SUITES
)
4897 memcpy(settings
->akm_suites
, data
, len
);
4903 static int nl80211_associate(struct sk_buff
*skb
, struct genl_info
*info
)
4905 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
4906 struct net_device
*dev
= info
->user_ptr
[1];
4907 struct cfg80211_crypto_settings crypto
;
4908 struct ieee80211_channel
*chan
;
4909 const u8
*bssid
, *ssid
, *ie
= NULL
, *prev_bssid
= NULL
;
4910 int err
, ssid_len
, ie_len
= 0;
4911 bool use_mfp
= false;
4913 struct ieee80211_ht_cap
*ht_capa
= NULL
;
4914 struct ieee80211_ht_cap
*ht_capa_mask
= NULL
;
4916 if (!is_valid_ie_attr(info
->attrs
[NL80211_ATTR_IE
]))
4919 if (!info
->attrs
[NL80211_ATTR_MAC
] ||
4920 !info
->attrs
[NL80211_ATTR_SSID
] ||
4921 !info
->attrs
[NL80211_ATTR_WIPHY_FREQ
])
4924 if (!rdev
->ops
->assoc
)
4927 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_STATION
&&
4928 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_CLIENT
)
4931 bssid
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
4933 chan
= ieee80211_get_channel(&rdev
->wiphy
,
4934 nla_get_u32(info
->attrs
[NL80211_ATTR_WIPHY_FREQ
]));
4935 if (!chan
|| (chan
->flags
& IEEE80211_CHAN_DISABLED
))
4938 ssid
= nla_data(info
->attrs
[NL80211_ATTR_SSID
]);
4939 ssid_len
= nla_len(info
->attrs
[NL80211_ATTR_SSID
]);
4941 if (info
->attrs
[NL80211_ATTR_IE
]) {
4942 ie
= nla_data(info
->attrs
[NL80211_ATTR_IE
]);
4943 ie_len
= nla_len(info
->attrs
[NL80211_ATTR_IE
]);
4946 if (info
->attrs
[NL80211_ATTR_USE_MFP
]) {
4947 enum nl80211_mfp mfp
=
4948 nla_get_u32(info
->attrs
[NL80211_ATTR_USE_MFP
]);
4949 if (mfp
== NL80211_MFP_REQUIRED
)
4951 else if (mfp
!= NL80211_MFP_NO
)
4955 if (info
->attrs
[NL80211_ATTR_PREV_BSSID
])
4956 prev_bssid
= nla_data(info
->attrs
[NL80211_ATTR_PREV_BSSID
]);
4958 if (nla_get_flag(info
->attrs
[NL80211_ATTR_DISABLE_HT
]))
4959 flags
|= ASSOC_REQ_DISABLE_HT
;
4961 if (info
->attrs
[NL80211_ATTR_HT_CAPABILITY_MASK
])
4963 nla_data(info
->attrs
[NL80211_ATTR_HT_CAPABILITY_MASK
]);
4965 if (info
->attrs
[NL80211_ATTR_HT_CAPABILITY
]) {
4968 ht_capa
= nla_data(info
->attrs
[NL80211_ATTR_HT_CAPABILITY
]);
4971 err
= nl80211_crypto_settings(rdev
, info
, &crypto
, 1);
4973 err
= cfg80211_mlme_assoc(rdev
, dev
, chan
, bssid
, prev_bssid
,
4974 ssid
, ssid_len
, ie
, ie_len
, use_mfp
,
4975 &crypto
, flags
, ht_capa
,
4981 static int nl80211_deauthenticate(struct sk_buff
*skb
, struct genl_info
*info
)
4983 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
4984 struct net_device
*dev
= info
->user_ptr
[1];
4985 const u8
*ie
= NULL
, *bssid
;
4988 bool local_state_change
;
4990 if (!is_valid_ie_attr(info
->attrs
[NL80211_ATTR_IE
]))
4993 if (!info
->attrs
[NL80211_ATTR_MAC
])
4996 if (!info
->attrs
[NL80211_ATTR_REASON_CODE
])
4999 if (!rdev
->ops
->deauth
)
5002 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_STATION
&&
5003 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_CLIENT
)
5006 bssid
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
5008 reason_code
= nla_get_u16(info
->attrs
[NL80211_ATTR_REASON_CODE
]);
5009 if (reason_code
== 0) {
5010 /* Reason Code 0 is reserved */
5014 if (info
->attrs
[NL80211_ATTR_IE
]) {
5015 ie
= nla_data(info
->attrs
[NL80211_ATTR_IE
]);
5016 ie_len
= nla_len(info
->attrs
[NL80211_ATTR_IE
]);
5019 local_state_change
= !!info
->attrs
[NL80211_ATTR_LOCAL_STATE_CHANGE
];
5021 return cfg80211_mlme_deauth(rdev
, dev
, bssid
, ie
, ie_len
, reason_code
,
5022 local_state_change
);
5025 static int nl80211_disassociate(struct sk_buff
*skb
, struct genl_info
*info
)
5027 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
5028 struct net_device
*dev
= info
->user_ptr
[1];
5029 const u8
*ie
= NULL
, *bssid
;
5032 bool local_state_change
;
5034 if (!is_valid_ie_attr(info
->attrs
[NL80211_ATTR_IE
]))
5037 if (!info
->attrs
[NL80211_ATTR_MAC
])
5040 if (!info
->attrs
[NL80211_ATTR_REASON_CODE
])
5043 if (!rdev
->ops
->disassoc
)
5046 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_STATION
&&
5047 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_CLIENT
)
5050 bssid
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
5052 reason_code
= nla_get_u16(info
->attrs
[NL80211_ATTR_REASON_CODE
]);
5053 if (reason_code
== 0) {
5054 /* Reason Code 0 is reserved */
5058 if (info
->attrs
[NL80211_ATTR_IE
]) {
5059 ie
= nla_data(info
->attrs
[NL80211_ATTR_IE
]);
5060 ie_len
= nla_len(info
->attrs
[NL80211_ATTR_IE
]);
5063 local_state_change
= !!info
->attrs
[NL80211_ATTR_LOCAL_STATE_CHANGE
];
5065 return cfg80211_mlme_disassoc(rdev
, dev
, bssid
, ie
, ie_len
, reason_code
,
5066 local_state_change
);
5070 nl80211_parse_mcast_rate(struct cfg80211_registered_device
*rdev
,
5071 int mcast_rate
[IEEE80211_NUM_BANDS
],
5074 struct wiphy
*wiphy
= &rdev
->wiphy
;
5078 for (band
= 0; band
< IEEE80211_NUM_BANDS
; band
++) {
5079 struct ieee80211_supported_band
*sband
;
5081 sband
= wiphy
->bands
[band
];
5085 for (i
= 0; i
< sband
->n_bitrates
; i
++) {
5086 if (sband
->bitrates
[i
].bitrate
== rateval
) {
5087 mcast_rate
[band
] = i
+ 1;
5097 static int nl80211_join_ibss(struct sk_buff
*skb
, struct genl_info
*info
)
5099 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
5100 struct net_device
*dev
= info
->user_ptr
[1];
5101 struct cfg80211_ibss_params ibss
;
5102 struct wiphy
*wiphy
;
5103 struct cfg80211_cached_keys
*connkeys
= NULL
;
5106 memset(&ibss
, 0, sizeof(ibss
));
5108 if (!is_valid_ie_attr(info
->attrs
[NL80211_ATTR_IE
]))
5111 if (!info
->attrs
[NL80211_ATTR_WIPHY_FREQ
] ||
5112 !info
->attrs
[NL80211_ATTR_SSID
] ||
5113 !nla_len(info
->attrs
[NL80211_ATTR_SSID
]))
5116 ibss
.beacon_interval
= 100;
5118 if (info
->attrs
[NL80211_ATTR_BEACON_INTERVAL
]) {
5119 ibss
.beacon_interval
=
5120 nla_get_u32(info
->attrs
[NL80211_ATTR_BEACON_INTERVAL
]);
5121 if (ibss
.beacon_interval
< 1 || ibss
.beacon_interval
> 10000)
5125 if (!rdev
->ops
->join_ibss
)
5128 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_ADHOC
)
5131 wiphy
= &rdev
->wiphy
;
5133 if (info
->attrs
[NL80211_ATTR_MAC
]) {
5134 ibss
.bssid
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
5136 if (!is_valid_ether_addr(ibss
.bssid
))
5139 ibss
.ssid
= nla_data(info
->attrs
[NL80211_ATTR_SSID
]);
5140 ibss
.ssid_len
= nla_len(info
->attrs
[NL80211_ATTR_SSID
]);
5142 if (info
->attrs
[NL80211_ATTR_IE
]) {
5143 ibss
.ie
= nla_data(info
->attrs
[NL80211_ATTR_IE
]);
5144 ibss
.ie_len
= nla_len(info
->attrs
[NL80211_ATTR_IE
]);
5147 if (info
->attrs
[NL80211_ATTR_WIPHY_CHANNEL_TYPE
]) {
5148 enum nl80211_channel_type channel_type
;
5150 if (!nl80211_valid_channel_type(info
, &channel_type
))
5153 if (channel_type
!= NL80211_CHAN_NO_HT
&&
5154 !(wiphy
->features
& NL80211_FEATURE_HT_IBSS
))
5157 ibss
.channel_type
= channel_type
;
5159 ibss
.channel_type
= NL80211_CHAN_NO_HT
;
5162 ibss
.channel
= rdev_freq_to_chan(rdev
,
5163 nla_get_u32(info
->attrs
[NL80211_ATTR_WIPHY_FREQ
]),
5165 if (!ibss
.channel
||
5166 ibss
.channel
->flags
& IEEE80211_CHAN_NO_IBSS
||
5167 ibss
.channel
->flags
& IEEE80211_CHAN_DISABLED
)
5170 /* Both channels should be able to initiate communication */
5171 if ((ibss
.channel_type
== NL80211_CHAN_HT40PLUS
||
5172 ibss
.channel_type
== NL80211_CHAN_HT40MINUS
) &&
5173 !cfg80211_can_beacon_sec_chan(&rdev
->wiphy
, ibss
.channel
,
5177 ibss
.channel_fixed
= !!info
->attrs
[NL80211_ATTR_FREQ_FIXED
];
5178 ibss
.privacy
= !!info
->attrs
[NL80211_ATTR_PRIVACY
];
5180 if (info
->attrs
[NL80211_ATTR_BSS_BASIC_RATES
]) {
5182 nla_data(info
->attrs
[NL80211_ATTR_BSS_BASIC_RATES
]);
5184 nla_len(info
->attrs
[NL80211_ATTR_BSS_BASIC_RATES
]);
5185 struct ieee80211_supported_band
*sband
=
5186 wiphy
->bands
[ibss
.channel
->band
];
5188 err
= ieee80211_get_ratemask(sband
, rates
, n_rates
,
5194 if (info
->attrs
[NL80211_ATTR_MCAST_RATE
] &&
5195 !nl80211_parse_mcast_rate(rdev
, ibss
.mcast_rate
,
5196 nla_get_u32(info
->attrs
[NL80211_ATTR_MCAST_RATE
])))
5199 if (ibss
.privacy
&& info
->attrs
[NL80211_ATTR_KEYS
]) {
5200 connkeys
= nl80211_parse_connkeys(rdev
,
5201 info
->attrs
[NL80211_ATTR_KEYS
]);
5202 if (IS_ERR(connkeys
))
5203 return PTR_ERR(connkeys
);
5207 nla_get_flag(info
->attrs
[NL80211_ATTR_CONTROL_PORT
]);
5209 err
= cfg80211_join_ibss(rdev
, dev
, &ibss
, connkeys
);
5215 static int nl80211_leave_ibss(struct sk_buff
*skb
, struct genl_info
*info
)
5217 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
5218 struct net_device
*dev
= info
->user_ptr
[1];
5220 if (!rdev
->ops
->leave_ibss
)
5223 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_ADHOC
)
5226 return cfg80211_leave_ibss(rdev
, dev
, false);
5229 #ifdef CONFIG_NL80211_TESTMODE
5230 static struct genl_multicast_group nl80211_testmode_mcgrp
= {
5234 static int nl80211_testmode_do(struct sk_buff
*skb
, struct genl_info
*info
)
5236 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
5239 if (!info
->attrs
[NL80211_ATTR_TESTDATA
])
5243 if (rdev
->ops
->testmode_cmd
) {
5244 rdev
->testmode_info
= info
;
5245 err
= rdev
->ops
->testmode_cmd(&rdev
->wiphy
,
5246 nla_data(info
->attrs
[NL80211_ATTR_TESTDATA
]),
5247 nla_len(info
->attrs
[NL80211_ATTR_TESTDATA
]));
5248 rdev
->testmode_info
= NULL
;
5254 static int nl80211_testmode_dump(struct sk_buff
*skb
,
5255 struct netlink_callback
*cb
)
5257 struct cfg80211_registered_device
*rdev
;
5265 * 0 is a valid index, but not valid for args[0],
5266 * so we need to offset by 1.
5268 phy_idx
= cb
->args
[0] - 1;
5270 err
= nlmsg_parse(cb
->nlh
, GENL_HDRLEN
+ nl80211_fam
.hdrsize
,
5271 nl80211_fam
.attrbuf
, nl80211_fam
.maxattr
,
5276 mutex_lock(&cfg80211_mutex
);
5277 rdev
= __cfg80211_rdev_from_attrs(sock_net(skb
->sk
),
5278 nl80211_fam
.attrbuf
);
5280 mutex_unlock(&cfg80211_mutex
);
5281 return PTR_ERR(rdev
);
5283 phy_idx
= rdev
->wiphy_idx
;
5285 mutex_unlock(&cfg80211_mutex
);
5287 if (nl80211_fam
.attrbuf
[NL80211_ATTR_TESTDATA
])
5289 (long)nl80211_fam
.attrbuf
[NL80211_ATTR_TESTDATA
];
5293 data
= nla_data((void *)cb
->args
[1]);
5294 data_len
= nla_len((void *)cb
->args
[1]);
5297 mutex_lock(&cfg80211_mutex
);
5298 rdev
= cfg80211_rdev_by_wiphy_idx(phy_idx
);
5300 mutex_unlock(&cfg80211_mutex
);
5303 cfg80211_lock_rdev(rdev
);
5304 mutex_unlock(&cfg80211_mutex
);
5306 if (!rdev
->ops
->testmode_dump
) {
5312 void *hdr
= nl80211hdr_put(skb
, NETLINK_CB(cb
->skb
).pid
,
5313 cb
->nlh
->nlmsg_seq
, NLM_F_MULTI
,
5314 NL80211_CMD_TESTMODE
);
5315 struct nlattr
*tmdata
;
5317 if (nla_put_u32(skb
, NL80211_ATTR_WIPHY
, phy_idx
)) {
5318 genlmsg_cancel(skb
, hdr
);
5322 tmdata
= nla_nest_start(skb
, NL80211_ATTR_TESTDATA
);
5324 genlmsg_cancel(skb
, hdr
);
5327 err
= rdev
->ops
->testmode_dump(&rdev
->wiphy
, skb
, cb
,
5329 nla_nest_end(skb
, tmdata
);
5331 if (err
== -ENOBUFS
|| err
== -ENOENT
) {
5332 genlmsg_cancel(skb
, hdr
);
5335 genlmsg_cancel(skb
, hdr
);
5339 genlmsg_end(skb
, hdr
);
5344 cb
->args
[0] = phy_idx
+ 1;
5346 cfg80211_unlock_rdev(rdev
);
5350 static struct sk_buff
*
5351 __cfg80211_testmode_alloc_skb(struct cfg80211_registered_device
*rdev
,
5352 int approxlen
, u32 pid
, u32 seq
, gfp_t gfp
)
5354 struct sk_buff
*skb
;
5356 struct nlattr
*data
;
5358 skb
= nlmsg_new(approxlen
+ 100, gfp
);
5362 hdr
= nl80211hdr_put(skb
, pid
, seq
, 0, NL80211_CMD_TESTMODE
);
5368 if (nla_put_u32(skb
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
))
5369 goto nla_put_failure
;
5370 data
= nla_nest_start(skb
, NL80211_ATTR_TESTDATA
);
5372 ((void **)skb
->cb
)[0] = rdev
;
5373 ((void **)skb
->cb
)[1] = hdr
;
5374 ((void **)skb
->cb
)[2] = data
;
5383 struct sk_buff
*cfg80211_testmode_alloc_reply_skb(struct wiphy
*wiphy
,
5386 struct cfg80211_registered_device
*rdev
= wiphy_to_dev(wiphy
);
5388 if (WARN_ON(!rdev
->testmode_info
))
5391 return __cfg80211_testmode_alloc_skb(rdev
, approxlen
,
5392 rdev
->testmode_info
->snd_pid
,
5393 rdev
->testmode_info
->snd_seq
,
5396 EXPORT_SYMBOL(cfg80211_testmode_alloc_reply_skb
);
5398 int cfg80211_testmode_reply(struct sk_buff
*skb
)
5400 struct cfg80211_registered_device
*rdev
= ((void **)skb
->cb
)[0];
5401 void *hdr
= ((void **)skb
->cb
)[1];
5402 struct nlattr
*data
= ((void **)skb
->cb
)[2];
5404 if (WARN_ON(!rdev
->testmode_info
)) {
5409 nla_nest_end(skb
, data
);
5410 genlmsg_end(skb
, hdr
);
5411 return genlmsg_reply(skb
, rdev
->testmode_info
);
5413 EXPORT_SYMBOL(cfg80211_testmode_reply
);
5415 struct sk_buff
*cfg80211_testmode_alloc_event_skb(struct wiphy
*wiphy
,
5416 int approxlen
, gfp_t gfp
)
5418 struct cfg80211_registered_device
*rdev
= wiphy_to_dev(wiphy
);
5420 return __cfg80211_testmode_alloc_skb(rdev
, approxlen
, 0, 0, gfp
);
5422 EXPORT_SYMBOL(cfg80211_testmode_alloc_event_skb
);
5424 void cfg80211_testmode_event(struct sk_buff
*skb
, gfp_t gfp
)
5426 void *hdr
= ((void **)skb
->cb
)[1];
5427 struct nlattr
*data
= ((void **)skb
->cb
)[2];
5429 nla_nest_end(skb
, data
);
5430 genlmsg_end(skb
, hdr
);
5431 genlmsg_multicast(skb
, 0, nl80211_testmode_mcgrp
.id
, gfp
);
5433 EXPORT_SYMBOL(cfg80211_testmode_event
);
5436 static int nl80211_connect(struct sk_buff
*skb
, struct genl_info
*info
)
5438 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
5439 struct net_device
*dev
= info
->user_ptr
[1];
5440 struct cfg80211_connect_params connect
;
5441 struct wiphy
*wiphy
;
5442 struct cfg80211_cached_keys
*connkeys
= NULL
;
5445 memset(&connect
, 0, sizeof(connect
));
5447 if (!is_valid_ie_attr(info
->attrs
[NL80211_ATTR_IE
]))
5450 if (!info
->attrs
[NL80211_ATTR_SSID
] ||
5451 !nla_len(info
->attrs
[NL80211_ATTR_SSID
]))
5454 if (info
->attrs
[NL80211_ATTR_AUTH_TYPE
]) {
5456 nla_get_u32(info
->attrs
[NL80211_ATTR_AUTH_TYPE
]);
5457 if (!nl80211_valid_auth_type(connect
.auth_type
))
5460 connect
.auth_type
= NL80211_AUTHTYPE_AUTOMATIC
;
5462 connect
.privacy
= info
->attrs
[NL80211_ATTR_PRIVACY
];
5464 err
= nl80211_crypto_settings(rdev
, info
, &connect
.crypto
,
5465 NL80211_MAX_NR_CIPHER_SUITES
);
5469 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_STATION
&&
5470 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_CLIENT
)
5473 wiphy
= &rdev
->wiphy
;
5475 connect
.bg_scan_period
= -1;
5476 if (info
->attrs
[NL80211_ATTR_BG_SCAN_PERIOD
] &&
5477 (wiphy
->flags
& WIPHY_FLAG_SUPPORTS_FW_ROAM
)) {
5478 connect
.bg_scan_period
=
5479 nla_get_u16(info
->attrs
[NL80211_ATTR_BG_SCAN_PERIOD
]);
5482 if (info
->attrs
[NL80211_ATTR_MAC
])
5483 connect
.bssid
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
5484 connect
.ssid
= nla_data(info
->attrs
[NL80211_ATTR_SSID
]);
5485 connect
.ssid_len
= nla_len(info
->attrs
[NL80211_ATTR_SSID
]);
5487 if (info
->attrs
[NL80211_ATTR_IE
]) {
5488 connect
.ie
= nla_data(info
->attrs
[NL80211_ATTR_IE
]);
5489 connect
.ie_len
= nla_len(info
->attrs
[NL80211_ATTR_IE
]);
5492 if (info
->attrs
[NL80211_ATTR_WIPHY_FREQ
]) {
5494 ieee80211_get_channel(wiphy
,
5495 nla_get_u32(info
->attrs
[NL80211_ATTR_WIPHY_FREQ
]));
5496 if (!connect
.channel
||
5497 connect
.channel
->flags
& IEEE80211_CHAN_DISABLED
)
5501 if (connect
.privacy
&& info
->attrs
[NL80211_ATTR_KEYS
]) {
5502 connkeys
= nl80211_parse_connkeys(rdev
,
5503 info
->attrs
[NL80211_ATTR_KEYS
]);
5504 if (IS_ERR(connkeys
))
5505 return PTR_ERR(connkeys
);
5508 if (nla_get_flag(info
->attrs
[NL80211_ATTR_DISABLE_HT
]))
5509 connect
.flags
|= ASSOC_REQ_DISABLE_HT
;
5511 if (info
->attrs
[NL80211_ATTR_HT_CAPABILITY_MASK
])
5512 memcpy(&connect
.ht_capa_mask
,
5513 nla_data(info
->attrs
[NL80211_ATTR_HT_CAPABILITY_MASK
]),
5514 sizeof(connect
.ht_capa_mask
));
5516 if (info
->attrs
[NL80211_ATTR_HT_CAPABILITY
]) {
5517 if (!info
->attrs
[NL80211_ATTR_HT_CAPABILITY_MASK
])
5519 memcpy(&connect
.ht_capa
,
5520 nla_data(info
->attrs
[NL80211_ATTR_HT_CAPABILITY
]),
5521 sizeof(connect
.ht_capa
));
5524 err
= cfg80211_connect(rdev
, dev
, &connect
, connkeys
);
5530 static int nl80211_disconnect(struct sk_buff
*skb
, struct genl_info
*info
)
5532 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
5533 struct net_device
*dev
= info
->user_ptr
[1];
5536 if (!info
->attrs
[NL80211_ATTR_REASON_CODE
])
5537 reason
= WLAN_REASON_DEAUTH_LEAVING
;
5539 reason
= nla_get_u16(info
->attrs
[NL80211_ATTR_REASON_CODE
]);
5544 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_STATION
&&
5545 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_CLIENT
)
5548 return cfg80211_disconnect(rdev
, dev
, reason
, true);
5551 static int nl80211_wiphy_netns(struct sk_buff
*skb
, struct genl_info
*info
)
5553 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
5558 if (!info
->attrs
[NL80211_ATTR_PID
])
5561 pid
= nla_get_u32(info
->attrs
[NL80211_ATTR_PID
]);
5563 net
= get_net_ns_by_pid(pid
);
5565 return PTR_ERR(net
);
5569 /* check if anything to do */
5570 if (!net_eq(wiphy_net(&rdev
->wiphy
), net
))
5571 err
= cfg80211_switch_netns(rdev
, net
);
5577 static int nl80211_setdel_pmksa(struct sk_buff
*skb
, struct genl_info
*info
)
5579 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
5580 int (*rdev_ops
)(struct wiphy
*wiphy
, struct net_device
*dev
,
5581 struct cfg80211_pmksa
*pmksa
) = NULL
;
5582 struct net_device
*dev
= info
->user_ptr
[1];
5583 struct cfg80211_pmksa pmksa
;
5585 memset(&pmksa
, 0, sizeof(struct cfg80211_pmksa
));
5587 if (!info
->attrs
[NL80211_ATTR_MAC
])
5590 if (!info
->attrs
[NL80211_ATTR_PMKID
])
5593 pmksa
.pmkid
= nla_data(info
->attrs
[NL80211_ATTR_PMKID
]);
5594 pmksa
.bssid
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
5596 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_STATION
&&
5597 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_CLIENT
)
5600 switch (info
->genlhdr
->cmd
) {
5601 case NL80211_CMD_SET_PMKSA
:
5602 rdev_ops
= rdev
->ops
->set_pmksa
;
5604 case NL80211_CMD_DEL_PMKSA
:
5605 rdev_ops
= rdev
->ops
->del_pmksa
;
5615 return rdev_ops(&rdev
->wiphy
, dev
, &pmksa
);
5618 static int nl80211_flush_pmksa(struct sk_buff
*skb
, struct genl_info
*info
)
5620 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
5621 struct net_device
*dev
= info
->user_ptr
[1];
5623 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_STATION
&&
5624 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_CLIENT
)
5627 if (!rdev
->ops
->flush_pmksa
)
5630 return rdev
->ops
->flush_pmksa(&rdev
->wiphy
, dev
);
5633 static int nl80211_tdls_mgmt(struct sk_buff
*skb
, struct genl_info
*info
)
5635 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
5636 struct net_device
*dev
= info
->user_ptr
[1];
5637 u8 action_code
, dialog_token
;
5641 if (!(rdev
->wiphy
.flags
& WIPHY_FLAG_SUPPORTS_TDLS
) ||
5642 !rdev
->ops
->tdls_mgmt
)
5645 if (!info
->attrs
[NL80211_ATTR_TDLS_ACTION
] ||
5646 !info
->attrs
[NL80211_ATTR_STATUS_CODE
] ||
5647 !info
->attrs
[NL80211_ATTR_TDLS_DIALOG_TOKEN
] ||
5648 !info
->attrs
[NL80211_ATTR_IE
] ||
5649 !info
->attrs
[NL80211_ATTR_MAC
])
5652 peer
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
5653 action_code
= nla_get_u8(info
->attrs
[NL80211_ATTR_TDLS_ACTION
]);
5654 status_code
= nla_get_u16(info
->attrs
[NL80211_ATTR_STATUS_CODE
]);
5655 dialog_token
= nla_get_u8(info
->attrs
[NL80211_ATTR_TDLS_DIALOG_TOKEN
]);
5657 return rdev
->ops
->tdls_mgmt(&rdev
->wiphy
, dev
, peer
, action_code
,
5658 dialog_token
, status_code
,
5659 nla_data(info
->attrs
[NL80211_ATTR_IE
]),
5660 nla_len(info
->attrs
[NL80211_ATTR_IE
]));
5663 static int nl80211_tdls_oper(struct sk_buff
*skb
, struct genl_info
*info
)
5665 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
5666 struct net_device
*dev
= info
->user_ptr
[1];
5667 enum nl80211_tdls_operation operation
;
5670 if (!(rdev
->wiphy
.flags
& WIPHY_FLAG_SUPPORTS_TDLS
) ||
5671 !rdev
->ops
->tdls_oper
)
5674 if (!info
->attrs
[NL80211_ATTR_TDLS_OPERATION
] ||
5675 !info
->attrs
[NL80211_ATTR_MAC
])
5678 operation
= nla_get_u8(info
->attrs
[NL80211_ATTR_TDLS_OPERATION
]);
5679 peer
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
5681 return rdev
->ops
->tdls_oper(&rdev
->wiphy
, dev
, peer
, operation
);
5684 static int nl80211_remain_on_channel(struct sk_buff
*skb
,
5685 struct genl_info
*info
)
5687 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
5688 struct net_device
*dev
= info
->user_ptr
[1];
5689 struct ieee80211_channel
*chan
;
5690 struct sk_buff
*msg
;
5693 enum nl80211_channel_type channel_type
= NL80211_CHAN_NO_HT
;
5697 if (!info
->attrs
[NL80211_ATTR_WIPHY_FREQ
] ||
5698 !info
->attrs
[NL80211_ATTR_DURATION
])
5701 duration
= nla_get_u32(info
->attrs
[NL80211_ATTR_DURATION
]);
5703 if (!rdev
->ops
->remain_on_channel
||
5704 !(rdev
->wiphy
.flags
& WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL
))
5708 * We should be on that channel for at least a minimum amount of
5709 * time (10ms) but no longer than the driver supports.
5711 if (duration
< NL80211_MIN_REMAIN_ON_CHANNEL_TIME
||
5712 duration
> rdev
->wiphy
.max_remain_on_channel_duration
)
5715 if (info
->attrs
[NL80211_ATTR_WIPHY_CHANNEL_TYPE
] &&
5716 !nl80211_valid_channel_type(info
, &channel_type
))
5719 freq
= nla_get_u32(info
->attrs
[NL80211_ATTR_WIPHY_FREQ
]);
5720 chan
= rdev_freq_to_chan(rdev
, freq
, channel_type
);
5724 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
5728 hdr
= nl80211hdr_put(msg
, info
->snd_pid
, info
->snd_seq
, 0,
5729 NL80211_CMD_REMAIN_ON_CHANNEL
);
5736 err
= rdev
->ops
->remain_on_channel(&rdev
->wiphy
, dev
, chan
,
5737 channel_type
, duration
, &cookie
);
5742 if (nla_put_u64(msg
, NL80211_ATTR_COOKIE
, cookie
))
5743 goto nla_put_failure
;
5745 genlmsg_end(msg
, hdr
);
5747 return genlmsg_reply(msg
, info
);
5756 static int nl80211_cancel_remain_on_channel(struct sk_buff
*skb
,
5757 struct genl_info
*info
)
5759 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
5760 struct net_device
*dev
= info
->user_ptr
[1];
5763 if (!info
->attrs
[NL80211_ATTR_COOKIE
])
5766 if (!rdev
->ops
->cancel_remain_on_channel
)
5769 cookie
= nla_get_u64(info
->attrs
[NL80211_ATTR_COOKIE
]);
5771 return rdev
->ops
->cancel_remain_on_channel(&rdev
->wiphy
, dev
, cookie
);
5774 static u32
rateset_to_mask(struct ieee80211_supported_band
*sband
,
5775 u8
*rates
, u8 rates_len
)
5780 for (i
= 0; i
< rates_len
; i
++) {
5781 int rate
= (rates
[i
] & 0x7f) * 5;
5783 for (ridx
= 0; ridx
< sband
->n_bitrates
; ridx
++) {
5784 struct ieee80211_rate
*srate
=
5785 &sband
->bitrates
[ridx
];
5786 if (rate
== srate
->bitrate
) {
5791 if (ridx
== sband
->n_bitrates
)
5792 return 0; /* rate not found */
5798 static bool ht_rateset_to_mask(struct ieee80211_supported_band
*sband
,
5799 u8
*rates
, u8 rates_len
,
5800 u8 mcs
[IEEE80211_HT_MCS_MASK_LEN
])
5804 memset(mcs
, 0, IEEE80211_HT_MCS_MASK_LEN
);
5806 for (i
= 0; i
< rates_len
; i
++) {
5809 ridx
= rates
[i
] / 8;
5810 rbit
= BIT(rates
[i
] % 8);
5812 /* check validity */
5813 if ((ridx
< 0) || (ridx
>= IEEE80211_HT_MCS_MASK_LEN
))
5816 /* check availability */
5817 if (sband
->ht_cap
.mcs
.rx_mask
[ridx
] & rbit
)
5826 static const struct nla_policy nl80211_txattr_policy
[NL80211_TXRATE_MAX
+ 1] = {
5827 [NL80211_TXRATE_LEGACY
] = { .type
= NLA_BINARY
,
5828 .len
= NL80211_MAX_SUPP_RATES
},
5829 [NL80211_TXRATE_MCS
] = { .type
= NLA_BINARY
,
5830 .len
= NL80211_MAX_SUPP_HT_RATES
},
5833 static int nl80211_set_tx_bitrate_mask(struct sk_buff
*skb
,
5834 struct genl_info
*info
)
5836 struct nlattr
*tb
[NL80211_TXRATE_MAX
+ 1];
5837 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
5838 struct cfg80211_bitrate_mask mask
;
5840 struct net_device
*dev
= info
->user_ptr
[1];
5841 struct nlattr
*tx_rates
;
5842 struct ieee80211_supported_band
*sband
;
5844 if (info
->attrs
[NL80211_ATTR_TX_RATES
] == NULL
)
5847 if (!rdev
->ops
->set_bitrate_mask
)
5850 memset(&mask
, 0, sizeof(mask
));
5851 /* Default to all rates enabled */
5852 for (i
= 0; i
< IEEE80211_NUM_BANDS
; i
++) {
5853 sband
= rdev
->wiphy
.bands
[i
];
5854 mask
.control
[i
].legacy
=
5855 sband
? (1 << sband
->n_bitrates
) - 1 : 0;
5857 memcpy(mask
.control
[i
].mcs
,
5858 sband
->ht_cap
.mcs
.rx_mask
,
5859 sizeof(mask
.control
[i
].mcs
));
5861 memset(mask
.control
[i
].mcs
, 0,
5862 sizeof(mask
.control
[i
].mcs
));
5866 * The nested attribute uses enum nl80211_band as the index. This maps
5867 * directly to the enum ieee80211_band values used in cfg80211.
5869 BUILD_BUG_ON(NL80211_MAX_SUPP_HT_RATES
> IEEE80211_HT_MCS_MASK_LEN
* 8);
5870 nla_for_each_nested(tx_rates
, info
->attrs
[NL80211_ATTR_TX_RATES
], rem
)
5872 enum ieee80211_band band
= nla_type(tx_rates
);
5873 if (band
< 0 || band
>= IEEE80211_NUM_BANDS
)
5875 sband
= rdev
->wiphy
.bands
[band
];
5878 nla_parse(tb
, NL80211_TXRATE_MAX
, nla_data(tx_rates
),
5879 nla_len(tx_rates
), nl80211_txattr_policy
);
5880 if (tb
[NL80211_TXRATE_LEGACY
]) {
5881 mask
.control
[band
].legacy
= rateset_to_mask(
5883 nla_data(tb
[NL80211_TXRATE_LEGACY
]),
5884 nla_len(tb
[NL80211_TXRATE_LEGACY
]));
5885 if ((mask
.control
[band
].legacy
== 0) &&
5886 nla_len(tb
[NL80211_TXRATE_LEGACY
]))
5889 if (tb
[NL80211_TXRATE_MCS
]) {
5890 if (!ht_rateset_to_mask(
5892 nla_data(tb
[NL80211_TXRATE_MCS
]),
5893 nla_len(tb
[NL80211_TXRATE_MCS
]),
5894 mask
.control
[band
].mcs
))
5898 if (mask
.control
[band
].legacy
== 0) {
5899 /* don't allow empty legacy rates if HT
5900 * is not even supported. */
5901 if (!rdev
->wiphy
.bands
[band
]->ht_cap
.ht_supported
)
5904 for (i
= 0; i
< IEEE80211_HT_MCS_MASK_LEN
; i
++)
5905 if (mask
.control
[band
].mcs
[i
])
5908 /* legacy and mcs rates may not be both empty */
5909 if (i
== IEEE80211_HT_MCS_MASK_LEN
)
5914 return rdev
->ops
->set_bitrate_mask(&rdev
->wiphy
, dev
, NULL
, &mask
);
5917 static int nl80211_register_mgmt(struct sk_buff
*skb
, struct genl_info
*info
)
5919 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
5920 struct net_device
*dev
= info
->user_ptr
[1];
5921 u16 frame_type
= IEEE80211_FTYPE_MGMT
| IEEE80211_STYPE_ACTION
;
5923 if (!info
->attrs
[NL80211_ATTR_FRAME_MATCH
])
5926 if (info
->attrs
[NL80211_ATTR_FRAME_TYPE
])
5927 frame_type
= nla_get_u16(info
->attrs
[NL80211_ATTR_FRAME_TYPE
]);
5929 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_STATION
&&
5930 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_ADHOC
&&
5931 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_CLIENT
&&
5932 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_AP
&&
5933 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_AP_VLAN
&&
5934 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_MESH_POINT
&&
5935 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_GO
)
5938 /* not much point in registering if we can't reply */
5939 if (!rdev
->ops
->mgmt_tx
)
5942 return cfg80211_mlme_register_mgmt(dev
->ieee80211_ptr
, info
->snd_pid
,
5944 nla_data(info
->attrs
[NL80211_ATTR_FRAME_MATCH
]),
5945 nla_len(info
->attrs
[NL80211_ATTR_FRAME_MATCH
]));
5948 static int nl80211_tx_mgmt(struct sk_buff
*skb
, struct genl_info
*info
)
5950 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
5951 struct net_device
*dev
= info
->user_ptr
[1];
5952 struct ieee80211_channel
*chan
;
5953 enum nl80211_channel_type channel_type
= NL80211_CHAN_NO_HT
;
5954 bool channel_type_valid
= false;
5959 struct sk_buff
*msg
= NULL
;
5960 unsigned int wait
= 0;
5961 bool offchan
, no_cck
, dont_wait_for_ack
;
5963 dont_wait_for_ack
= info
->attrs
[NL80211_ATTR_DONT_WAIT_FOR_ACK
];
5965 if (!info
->attrs
[NL80211_ATTR_FRAME
] ||
5966 !info
->attrs
[NL80211_ATTR_WIPHY_FREQ
])
5969 if (!rdev
->ops
->mgmt_tx
)
5972 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_STATION
&&
5973 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_ADHOC
&&
5974 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_CLIENT
&&
5975 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_AP
&&
5976 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_AP_VLAN
&&
5977 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_MESH_POINT
&&
5978 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_GO
)
5981 if (info
->attrs
[NL80211_ATTR_DURATION
]) {
5982 if (!(rdev
->wiphy
.flags
& WIPHY_FLAG_OFFCHAN_TX
))
5984 wait
= nla_get_u32(info
->attrs
[NL80211_ATTR_DURATION
]);
5987 * We should wait on the channel for at least a minimum amount
5988 * of time (10ms) but no longer than the driver supports.
5990 if (wait
< NL80211_MIN_REMAIN_ON_CHANNEL_TIME
||
5991 wait
> rdev
->wiphy
.max_remain_on_channel_duration
)
5996 if (info
->attrs
[NL80211_ATTR_WIPHY_CHANNEL_TYPE
]) {
5997 if (!nl80211_valid_channel_type(info
, &channel_type
))
5999 channel_type_valid
= true;
6002 offchan
= info
->attrs
[NL80211_ATTR_OFFCHANNEL_TX_OK
];
6004 if (offchan
&& !(rdev
->wiphy
.flags
& WIPHY_FLAG_OFFCHAN_TX
))
6007 no_cck
= nla_get_flag(info
->attrs
[NL80211_ATTR_TX_NO_CCK_RATE
]);
6009 freq
= nla_get_u32(info
->attrs
[NL80211_ATTR_WIPHY_FREQ
]);
6010 chan
= rdev_freq_to_chan(rdev
, freq
, channel_type
);
6014 if (!dont_wait_for_ack
) {
6015 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
6019 hdr
= nl80211hdr_put(msg
, info
->snd_pid
, info
->snd_seq
, 0,
6028 err
= cfg80211_mlme_mgmt_tx(rdev
, dev
, chan
, offchan
, channel_type
,
6029 channel_type_valid
, wait
,
6030 nla_data(info
->attrs
[NL80211_ATTR_FRAME
]),
6031 nla_len(info
->attrs
[NL80211_ATTR_FRAME
]),
6032 no_cck
, dont_wait_for_ack
, &cookie
);
6037 if (nla_put_u64(msg
, NL80211_ATTR_COOKIE
, cookie
))
6038 goto nla_put_failure
;
6040 genlmsg_end(msg
, hdr
);
6041 return genlmsg_reply(msg
, info
);
6053 static int nl80211_tx_mgmt_cancel_wait(struct sk_buff
*skb
, struct genl_info
*info
)
6055 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
6056 struct net_device
*dev
= info
->user_ptr
[1];
6059 if (!info
->attrs
[NL80211_ATTR_COOKIE
])
6062 if (!rdev
->ops
->mgmt_tx_cancel_wait
)
6065 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_STATION
&&
6066 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_ADHOC
&&
6067 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_CLIENT
&&
6068 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_AP
&&
6069 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_AP_VLAN
&&
6070 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_GO
)
6073 cookie
= nla_get_u64(info
->attrs
[NL80211_ATTR_COOKIE
]);
6075 return rdev
->ops
->mgmt_tx_cancel_wait(&rdev
->wiphy
, dev
, cookie
);
6078 static int nl80211_set_power_save(struct sk_buff
*skb
, struct genl_info
*info
)
6080 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
6081 struct wireless_dev
*wdev
;
6082 struct net_device
*dev
= info
->user_ptr
[1];
6087 if (!info
->attrs
[NL80211_ATTR_PS_STATE
])
6090 ps_state
= nla_get_u32(info
->attrs
[NL80211_ATTR_PS_STATE
]);
6092 if (ps_state
!= NL80211_PS_DISABLED
&& ps_state
!= NL80211_PS_ENABLED
)
6095 wdev
= dev
->ieee80211_ptr
;
6097 if (!rdev
->ops
->set_power_mgmt
)
6100 state
= (ps_state
== NL80211_PS_ENABLED
) ? true : false;
6102 if (state
== wdev
->ps
)
6105 err
= rdev
->ops
->set_power_mgmt(wdev
->wiphy
, dev
, state
,
6112 static int nl80211_get_power_save(struct sk_buff
*skb
, struct genl_info
*info
)
6114 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
6115 enum nl80211_ps_state ps_state
;
6116 struct wireless_dev
*wdev
;
6117 struct net_device
*dev
= info
->user_ptr
[1];
6118 struct sk_buff
*msg
;
6122 wdev
= dev
->ieee80211_ptr
;
6124 if (!rdev
->ops
->set_power_mgmt
)
6127 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
6131 hdr
= nl80211hdr_put(msg
, info
->snd_pid
, info
->snd_seq
, 0,
6132 NL80211_CMD_GET_POWER_SAVE
);
6139 ps_state
= NL80211_PS_ENABLED
;
6141 ps_state
= NL80211_PS_DISABLED
;
6143 if (nla_put_u32(msg
, NL80211_ATTR_PS_STATE
, ps_state
))
6144 goto nla_put_failure
;
6146 genlmsg_end(msg
, hdr
);
6147 return genlmsg_reply(msg
, info
);
6156 static struct nla_policy
6157 nl80211_attr_cqm_policy
[NL80211_ATTR_CQM_MAX
+ 1] __read_mostly
= {
6158 [NL80211_ATTR_CQM_RSSI_THOLD
] = { .type
= NLA_U32
},
6159 [NL80211_ATTR_CQM_RSSI_HYST
] = { .type
= NLA_U32
},
6160 [NL80211_ATTR_CQM_RSSI_THRESHOLD_EVENT
] = { .type
= NLA_U32
},
6163 static int nl80211_set_cqm_rssi(struct genl_info
*info
,
6164 s32 threshold
, u32 hysteresis
)
6166 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
6167 struct wireless_dev
*wdev
;
6168 struct net_device
*dev
= info
->user_ptr
[1];
6173 wdev
= dev
->ieee80211_ptr
;
6175 if (!rdev
->ops
->set_cqm_rssi_config
)
6178 if (wdev
->iftype
!= NL80211_IFTYPE_STATION
&&
6179 wdev
->iftype
!= NL80211_IFTYPE_P2P_CLIENT
)
6182 return rdev
->ops
->set_cqm_rssi_config(wdev
->wiphy
, dev
,
6183 threshold
, hysteresis
);
6186 static int nl80211_set_cqm(struct sk_buff
*skb
, struct genl_info
*info
)
6188 struct nlattr
*attrs
[NL80211_ATTR_CQM_MAX
+ 1];
6192 cqm
= info
->attrs
[NL80211_ATTR_CQM
];
6198 err
= nla_parse_nested(attrs
, NL80211_ATTR_CQM_MAX
, cqm
,
6199 nl80211_attr_cqm_policy
);
6203 if (attrs
[NL80211_ATTR_CQM_RSSI_THOLD
] &&
6204 attrs
[NL80211_ATTR_CQM_RSSI_HYST
]) {
6207 threshold
= nla_get_u32(attrs
[NL80211_ATTR_CQM_RSSI_THOLD
]);
6208 hysteresis
= nla_get_u32(attrs
[NL80211_ATTR_CQM_RSSI_HYST
]);
6209 err
= nl80211_set_cqm_rssi(info
, threshold
, hysteresis
);
6217 static int nl80211_join_mesh(struct sk_buff
*skb
, struct genl_info
*info
)
6219 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
6220 struct net_device
*dev
= info
->user_ptr
[1];
6221 struct mesh_config cfg
;
6222 struct mesh_setup setup
;
6225 /* start with default */
6226 memcpy(&cfg
, &default_mesh_config
, sizeof(cfg
));
6227 memcpy(&setup
, &default_mesh_setup
, sizeof(setup
));
6229 if (info
->attrs
[NL80211_ATTR_MESH_CONFIG
]) {
6230 /* and parse parameters if given */
6231 err
= nl80211_parse_mesh_config(info
, &cfg
, NULL
);
6236 if (!info
->attrs
[NL80211_ATTR_MESH_ID
] ||
6237 !nla_len(info
->attrs
[NL80211_ATTR_MESH_ID
]))
6240 setup
.mesh_id
= nla_data(info
->attrs
[NL80211_ATTR_MESH_ID
]);
6241 setup
.mesh_id_len
= nla_len(info
->attrs
[NL80211_ATTR_MESH_ID
]);
6243 if (info
->attrs
[NL80211_ATTR_MCAST_RATE
] &&
6244 !nl80211_parse_mcast_rate(rdev
, setup
.mcast_rate
,
6245 nla_get_u32(info
->attrs
[NL80211_ATTR_MCAST_RATE
])))
6248 if (info
->attrs
[NL80211_ATTR_MESH_SETUP
]) {
6249 /* parse additional setup parameters if given */
6250 err
= nl80211_parse_mesh_setup(info
, &setup
);
6255 if (info
->attrs
[NL80211_ATTR_WIPHY_FREQ
]) {
6256 enum nl80211_channel_type channel_type
= NL80211_CHAN_NO_HT
;
6258 if (info
->attrs
[NL80211_ATTR_WIPHY_CHANNEL_TYPE
] &&
6259 !nl80211_valid_channel_type(info
, &channel_type
))
6262 setup
.channel
= rdev_freq_to_chan(rdev
,
6263 nla_get_u32(info
->attrs
[NL80211_ATTR_WIPHY_FREQ
]),
6267 setup
.channel_type
= channel_type
;
6269 /* cfg80211_join_mesh() will sort it out */
6270 setup
.channel
= NULL
;
6273 return cfg80211_join_mesh(rdev
, dev
, &setup
, &cfg
);
6276 static int nl80211_leave_mesh(struct sk_buff
*skb
, struct genl_info
*info
)
6278 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
6279 struct net_device
*dev
= info
->user_ptr
[1];
6281 return cfg80211_leave_mesh(rdev
, dev
);
6285 static int nl80211_get_wowlan(struct sk_buff
*skb
, struct genl_info
*info
)
6287 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
6288 struct sk_buff
*msg
;
6291 if (!rdev
->wiphy
.wowlan
.flags
&& !rdev
->wiphy
.wowlan
.n_patterns
)
6294 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
6298 hdr
= nl80211hdr_put(msg
, info
->snd_pid
, info
->snd_seq
, 0,
6299 NL80211_CMD_GET_WOWLAN
);
6301 goto nla_put_failure
;
6304 struct nlattr
*nl_wowlan
;
6306 nl_wowlan
= nla_nest_start(msg
, NL80211_ATTR_WOWLAN_TRIGGERS
);
6308 goto nla_put_failure
;
6310 if ((rdev
->wowlan
->any
&&
6311 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_ANY
)) ||
6312 (rdev
->wowlan
->disconnect
&&
6313 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_DISCONNECT
)) ||
6314 (rdev
->wowlan
->magic_pkt
&&
6315 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_MAGIC_PKT
)) ||
6316 (rdev
->wowlan
->gtk_rekey_failure
&&
6317 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_GTK_REKEY_FAILURE
)) ||
6318 (rdev
->wowlan
->eap_identity_req
&&
6319 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_EAP_IDENT_REQUEST
)) ||
6320 (rdev
->wowlan
->four_way_handshake
&&
6321 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_4WAY_HANDSHAKE
)) ||
6322 (rdev
->wowlan
->rfkill_release
&&
6323 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_RFKILL_RELEASE
)))
6324 goto nla_put_failure
;
6325 if (rdev
->wowlan
->n_patterns
) {
6326 struct nlattr
*nl_pats
, *nl_pat
;
6329 nl_pats
= nla_nest_start(msg
,
6330 NL80211_WOWLAN_TRIG_PKT_PATTERN
);
6332 goto nla_put_failure
;
6334 for (i
= 0; i
< rdev
->wowlan
->n_patterns
; i
++) {
6335 nl_pat
= nla_nest_start(msg
, i
+ 1);
6337 goto nla_put_failure
;
6338 pat_len
= rdev
->wowlan
->patterns
[i
].pattern_len
;
6339 if (nla_put(msg
, NL80211_WOWLAN_PKTPAT_MASK
,
6340 DIV_ROUND_UP(pat_len
, 8),
6341 rdev
->wowlan
->patterns
[i
].mask
) ||
6342 nla_put(msg
, NL80211_WOWLAN_PKTPAT_PATTERN
,
6344 rdev
->wowlan
->patterns
[i
].pattern
))
6345 goto nla_put_failure
;
6346 nla_nest_end(msg
, nl_pat
);
6348 nla_nest_end(msg
, nl_pats
);
6351 nla_nest_end(msg
, nl_wowlan
);
6354 genlmsg_end(msg
, hdr
);
6355 return genlmsg_reply(msg
, info
);
6362 static int nl80211_set_wowlan(struct sk_buff
*skb
, struct genl_info
*info
)
6364 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
6365 struct nlattr
*tb
[NUM_NL80211_WOWLAN_TRIG
];
6366 struct cfg80211_wowlan no_triggers
= {};
6367 struct cfg80211_wowlan new_triggers
= {};
6368 struct wiphy_wowlan_support
*wowlan
= &rdev
->wiphy
.wowlan
;
6370 bool prev_enabled
= rdev
->wowlan
;
6372 if (!rdev
->wiphy
.wowlan
.flags
&& !rdev
->wiphy
.wowlan
.n_patterns
)
6375 if (!info
->attrs
[NL80211_ATTR_WOWLAN_TRIGGERS
])
6378 err
= nla_parse(tb
, MAX_NL80211_WOWLAN_TRIG
,
6379 nla_data(info
->attrs
[NL80211_ATTR_WOWLAN_TRIGGERS
]),
6380 nla_len(info
->attrs
[NL80211_ATTR_WOWLAN_TRIGGERS
]),
6381 nl80211_wowlan_policy
);
6385 if (tb
[NL80211_WOWLAN_TRIG_ANY
]) {
6386 if (!(wowlan
->flags
& WIPHY_WOWLAN_ANY
))
6388 new_triggers
.any
= true;
6391 if (tb
[NL80211_WOWLAN_TRIG_DISCONNECT
]) {
6392 if (!(wowlan
->flags
& WIPHY_WOWLAN_DISCONNECT
))
6394 new_triggers
.disconnect
= true;
6397 if (tb
[NL80211_WOWLAN_TRIG_MAGIC_PKT
]) {
6398 if (!(wowlan
->flags
& WIPHY_WOWLAN_MAGIC_PKT
))
6400 new_triggers
.magic_pkt
= true;
6403 if (tb
[NL80211_WOWLAN_TRIG_GTK_REKEY_SUPPORTED
])
6406 if (tb
[NL80211_WOWLAN_TRIG_GTK_REKEY_FAILURE
]) {
6407 if (!(wowlan
->flags
& WIPHY_WOWLAN_GTK_REKEY_FAILURE
))
6409 new_triggers
.gtk_rekey_failure
= true;
6412 if (tb
[NL80211_WOWLAN_TRIG_EAP_IDENT_REQUEST
]) {
6413 if (!(wowlan
->flags
& WIPHY_WOWLAN_EAP_IDENTITY_REQ
))
6415 new_triggers
.eap_identity_req
= true;
6418 if (tb
[NL80211_WOWLAN_TRIG_4WAY_HANDSHAKE
]) {
6419 if (!(wowlan
->flags
& WIPHY_WOWLAN_4WAY_HANDSHAKE
))
6421 new_triggers
.four_way_handshake
= true;
6424 if (tb
[NL80211_WOWLAN_TRIG_RFKILL_RELEASE
]) {
6425 if (!(wowlan
->flags
& WIPHY_WOWLAN_RFKILL_RELEASE
))
6427 new_triggers
.rfkill_release
= true;
6430 if (tb
[NL80211_WOWLAN_TRIG_PKT_PATTERN
]) {
6433 int rem
, pat_len
, mask_len
;
6434 struct nlattr
*pat_tb
[NUM_NL80211_WOWLAN_PKTPAT
];
6436 nla_for_each_nested(pat
, tb
[NL80211_WOWLAN_TRIG_PKT_PATTERN
],
6439 if (n_patterns
> wowlan
->n_patterns
)
6442 new_triggers
.patterns
= kcalloc(n_patterns
,
6443 sizeof(new_triggers
.patterns
[0]),
6445 if (!new_triggers
.patterns
)
6448 new_triggers
.n_patterns
= n_patterns
;
6451 nla_for_each_nested(pat
, tb
[NL80211_WOWLAN_TRIG_PKT_PATTERN
],
6453 nla_parse(pat_tb
, MAX_NL80211_WOWLAN_PKTPAT
,
6454 nla_data(pat
), nla_len(pat
), NULL
);
6456 if (!pat_tb
[NL80211_WOWLAN_PKTPAT_MASK
] ||
6457 !pat_tb
[NL80211_WOWLAN_PKTPAT_PATTERN
])
6459 pat_len
= nla_len(pat_tb
[NL80211_WOWLAN_PKTPAT_PATTERN
]);
6460 mask_len
= DIV_ROUND_UP(pat_len
, 8);
6461 if (nla_len(pat_tb
[NL80211_WOWLAN_PKTPAT_MASK
]) !=
6464 if (pat_len
> wowlan
->pattern_max_len
||
6465 pat_len
< wowlan
->pattern_min_len
)
6468 new_triggers
.patterns
[i
].mask
=
6469 kmalloc(mask_len
+ pat_len
, GFP_KERNEL
);
6470 if (!new_triggers
.patterns
[i
].mask
) {
6474 new_triggers
.patterns
[i
].pattern
=
6475 new_triggers
.patterns
[i
].mask
+ mask_len
;
6476 memcpy(new_triggers
.patterns
[i
].mask
,
6477 nla_data(pat_tb
[NL80211_WOWLAN_PKTPAT_MASK
]),
6479 new_triggers
.patterns
[i
].pattern_len
= pat_len
;
6480 memcpy(new_triggers
.patterns
[i
].pattern
,
6481 nla_data(pat_tb
[NL80211_WOWLAN_PKTPAT_PATTERN
]),
6487 if (memcmp(&new_triggers
, &no_triggers
, sizeof(new_triggers
))) {
6488 struct cfg80211_wowlan
*ntrig
;
6489 ntrig
= kmemdup(&new_triggers
, sizeof(new_triggers
),
6495 cfg80211_rdev_free_wowlan(rdev
);
6496 rdev
->wowlan
= ntrig
;
6499 cfg80211_rdev_free_wowlan(rdev
);
6500 rdev
->wowlan
= NULL
;
6503 if (rdev
->ops
->set_wakeup
&& prev_enabled
!= !!rdev
->wowlan
)
6504 rdev
->ops
->set_wakeup(&rdev
->wiphy
, rdev
->wowlan
);
6508 for (i
= 0; i
< new_triggers
.n_patterns
; i
++)
6509 kfree(new_triggers
.patterns
[i
].mask
);
6510 kfree(new_triggers
.patterns
);
6515 static int nl80211_set_rekey_data(struct sk_buff
*skb
, struct genl_info
*info
)
6517 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
6518 struct net_device
*dev
= info
->user_ptr
[1];
6519 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
6520 struct nlattr
*tb
[NUM_NL80211_REKEY_DATA
];
6521 struct cfg80211_gtk_rekey_data rekey_data
;
6524 if (!info
->attrs
[NL80211_ATTR_REKEY_DATA
])
6527 err
= nla_parse(tb
, MAX_NL80211_REKEY_DATA
,
6528 nla_data(info
->attrs
[NL80211_ATTR_REKEY_DATA
]),
6529 nla_len(info
->attrs
[NL80211_ATTR_REKEY_DATA
]),
6530 nl80211_rekey_policy
);
6534 if (nla_len(tb
[NL80211_REKEY_DATA_REPLAY_CTR
]) != NL80211_REPLAY_CTR_LEN
)
6536 if (nla_len(tb
[NL80211_REKEY_DATA_KEK
]) != NL80211_KEK_LEN
)
6538 if (nla_len(tb
[NL80211_REKEY_DATA_KCK
]) != NL80211_KCK_LEN
)
6541 memcpy(rekey_data
.kek
, nla_data(tb
[NL80211_REKEY_DATA_KEK
]),
6543 memcpy(rekey_data
.kck
, nla_data(tb
[NL80211_REKEY_DATA_KCK
]),
6545 memcpy(rekey_data
.replay_ctr
,
6546 nla_data(tb
[NL80211_REKEY_DATA_REPLAY_CTR
]),
6547 NL80211_REPLAY_CTR_LEN
);
6550 if (!wdev
->current_bss
) {
6555 if (!rdev
->ops
->set_rekey_data
) {
6560 err
= rdev
->ops
->set_rekey_data(&rdev
->wiphy
, dev
, &rekey_data
);
6566 static int nl80211_register_unexpected_frame(struct sk_buff
*skb
,
6567 struct genl_info
*info
)
6569 struct net_device
*dev
= info
->user_ptr
[1];
6570 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
6572 if (wdev
->iftype
!= NL80211_IFTYPE_AP
&&
6573 wdev
->iftype
!= NL80211_IFTYPE_P2P_GO
)
6576 if (wdev
->ap_unexpected_nlpid
)
6579 wdev
->ap_unexpected_nlpid
= info
->snd_pid
;
6583 static int nl80211_probe_client(struct sk_buff
*skb
,
6584 struct genl_info
*info
)
6586 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
6587 struct net_device
*dev
= info
->user_ptr
[1];
6588 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
6589 struct sk_buff
*msg
;
6595 if (wdev
->iftype
!= NL80211_IFTYPE_AP
&&
6596 wdev
->iftype
!= NL80211_IFTYPE_P2P_GO
)
6599 if (!info
->attrs
[NL80211_ATTR_MAC
])
6602 if (!rdev
->ops
->probe_client
)
6605 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
6609 hdr
= nl80211hdr_put(msg
, info
->snd_pid
, info
->snd_seq
, 0,
6610 NL80211_CMD_PROBE_CLIENT
);
6617 addr
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
6619 err
= rdev
->ops
->probe_client(&rdev
->wiphy
, dev
, addr
, &cookie
);
6623 if (nla_put_u64(msg
, NL80211_ATTR_COOKIE
, cookie
))
6624 goto nla_put_failure
;
6626 genlmsg_end(msg
, hdr
);
6628 return genlmsg_reply(msg
, info
);
6637 static int nl80211_register_beacons(struct sk_buff
*skb
, struct genl_info
*info
)
6639 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
6641 if (!(rdev
->wiphy
.flags
& WIPHY_FLAG_REPORTS_OBSS
))
6644 if (rdev
->ap_beacons_nlpid
)
6647 rdev
->ap_beacons_nlpid
= info
->snd_pid
;
6652 #define NL80211_FLAG_NEED_WIPHY 0x01
6653 #define NL80211_FLAG_NEED_NETDEV 0x02
6654 #define NL80211_FLAG_NEED_RTNL 0x04
6655 #define NL80211_FLAG_CHECK_NETDEV_UP 0x08
6656 #define NL80211_FLAG_NEED_NETDEV_UP (NL80211_FLAG_NEED_NETDEV |\
6657 NL80211_FLAG_CHECK_NETDEV_UP)
6659 static int nl80211_pre_doit(struct genl_ops
*ops
, struct sk_buff
*skb
,
6660 struct genl_info
*info
)
6662 struct cfg80211_registered_device
*rdev
;
6663 struct net_device
*dev
;
6665 bool rtnl
= ops
->internal_flags
& NL80211_FLAG_NEED_RTNL
;
6670 if (ops
->internal_flags
& NL80211_FLAG_NEED_WIPHY
) {
6671 rdev
= cfg80211_get_dev_from_info(genl_info_net(info
), info
);
6675 return PTR_ERR(rdev
);
6677 info
->user_ptr
[0] = rdev
;
6678 } else if (ops
->internal_flags
& NL80211_FLAG_NEED_NETDEV
) {
6679 err
= get_rdev_dev_by_ifindex(genl_info_net(info
), info
->attrs
,
6686 if (ops
->internal_flags
& NL80211_FLAG_CHECK_NETDEV_UP
&&
6687 !netif_running(dev
)) {
6688 cfg80211_unlock_rdev(rdev
);
6694 info
->user_ptr
[0] = rdev
;
6695 info
->user_ptr
[1] = dev
;
6701 static void nl80211_post_doit(struct genl_ops
*ops
, struct sk_buff
*skb
,
6702 struct genl_info
*info
)
6704 if (info
->user_ptr
[0])
6705 cfg80211_unlock_rdev(info
->user_ptr
[0]);
6706 if (info
->user_ptr
[1])
6707 dev_put(info
->user_ptr
[1]);
6708 if (ops
->internal_flags
& NL80211_FLAG_NEED_RTNL
)
6712 static struct genl_ops nl80211_ops
[] = {
6714 .cmd
= NL80211_CMD_GET_WIPHY
,
6715 .doit
= nl80211_get_wiphy
,
6716 .dumpit
= nl80211_dump_wiphy
,
6717 .policy
= nl80211_policy
,
6718 /* can be retrieved by unprivileged users */
6719 .internal_flags
= NL80211_FLAG_NEED_WIPHY
,
6722 .cmd
= NL80211_CMD_SET_WIPHY
,
6723 .doit
= nl80211_set_wiphy
,
6724 .policy
= nl80211_policy
,
6725 .flags
= GENL_ADMIN_PERM
,
6726 .internal_flags
= NL80211_FLAG_NEED_RTNL
,
6729 .cmd
= NL80211_CMD_GET_INTERFACE
,
6730 .doit
= nl80211_get_interface
,
6731 .dumpit
= nl80211_dump_interface
,
6732 .policy
= nl80211_policy
,
6733 /* can be retrieved by unprivileged users */
6734 .internal_flags
= NL80211_FLAG_NEED_NETDEV
,
6737 .cmd
= NL80211_CMD_SET_INTERFACE
,
6738 .doit
= nl80211_set_interface
,
6739 .policy
= nl80211_policy
,
6740 .flags
= GENL_ADMIN_PERM
,
6741 .internal_flags
= NL80211_FLAG_NEED_NETDEV
|
6742 NL80211_FLAG_NEED_RTNL
,
6745 .cmd
= NL80211_CMD_NEW_INTERFACE
,
6746 .doit
= nl80211_new_interface
,
6747 .policy
= nl80211_policy
,
6748 .flags
= GENL_ADMIN_PERM
,
6749 .internal_flags
= NL80211_FLAG_NEED_WIPHY
|
6750 NL80211_FLAG_NEED_RTNL
,
6753 .cmd
= NL80211_CMD_DEL_INTERFACE
,
6754 .doit
= nl80211_del_interface
,
6755 .policy
= nl80211_policy
,
6756 .flags
= GENL_ADMIN_PERM
,
6757 .internal_flags
= NL80211_FLAG_NEED_NETDEV
|
6758 NL80211_FLAG_NEED_RTNL
,
6761 .cmd
= NL80211_CMD_GET_KEY
,
6762 .doit
= nl80211_get_key
,
6763 .policy
= nl80211_policy
,
6764 .flags
= GENL_ADMIN_PERM
,
6765 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
6766 NL80211_FLAG_NEED_RTNL
,
6769 .cmd
= NL80211_CMD_SET_KEY
,
6770 .doit
= nl80211_set_key
,
6771 .policy
= nl80211_policy
,
6772 .flags
= GENL_ADMIN_PERM
,
6773 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
6774 NL80211_FLAG_NEED_RTNL
,
6777 .cmd
= NL80211_CMD_NEW_KEY
,
6778 .doit
= nl80211_new_key
,
6779 .policy
= nl80211_policy
,
6780 .flags
= GENL_ADMIN_PERM
,
6781 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
6782 NL80211_FLAG_NEED_RTNL
,
6785 .cmd
= NL80211_CMD_DEL_KEY
,
6786 .doit
= nl80211_del_key
,
6787 .policy
= nl80211_policy
,
6788 .flags
= GENL_ADMIN_PERM
,
6789 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
6790 NL80211_FLAG_NEED_RTNL
,
6793 .cmd
= NL80211_CMD_SET_BEACON
,
6794 .policy
= nl80211_policy
,
6795 .flags
= GENL_ADMIN_PERM
,
6796 .doit
= nl80211_set_beacon
,
6797 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
6798 NL80211_FLAG_NEED_RTNL
,
6801 .cmd
= NL80211_CMD_START_AP
,
6802 .policy
= nl80211_policy
,
6803 .flags
= GENL_ADMIN_PERM
,
6804 .doit
= nl80211_start_ap
,
6805 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
6806 NL80211_FLAG_NEED_RTNL
,
6809 .cmd
= NL80211_CMD_STOP_AP
,
6810 .policy
= nl80211_policy
,
6811 .flags
= GENL_ADMIN_PERM
,
6812 .doit
= nl80211_stop_ap
,
6813 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
6814 NL80211_FLAG_NEED_RTNL
,
6817 .cmd
= NL80211_CMD_GET_STATION
,
6818 .doit
= nl80211_get_station
,
6819 .dumpit
= nl80211_dump_station
,
6820 .policy
= nl80211_policy
,
6821 .internal_flags
= NL80211_FLAG_NEED_NETDEV
|
6822 NL80211_FLAG_NEED_RTNL
,
6825 .cmd
= NL80211_CMD_SET_STATION
,
6826 .doit
= nl80211_set_station
,
6827 .policy
= nl80211_policy
,
6828 .flags
= GENL_ADMIN_PERM
,
6829 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
6830 NL80211_FLAG_NEED_RTNL
,
6833 .cmd
= NL80211_CMD_NEW_STATION
,
6834 .doit
= nl80211_new_station
,
6835 .policy
= nl80211_policy
,
6836 .flags
= GENL_ADMIN_PERM
,
6837 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
6838 NL80211_FLAG_NEED_RTNL
,
6841 .cmd
= NL80211_CMD_DEL_STATION
,
6842 .doit
= nl80211_del_station
,
6843 .policy
= nl80211_policy
,
6844 .flags
= GENL_ADMIN_PERM
,
6845 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
6846 NL80211_FLAG_NEED_RTNL
,
6849 .cmd
= NL80211_CMD_GET_MPATH
,
6850 .doit
= nl80211_get_mpath
,
6851 .dumpit
= nl80211_dump_mpath
,
6852 .policy
= nl80211_policy
,
6853 .flags
= GENL_ADMIN_PERM
,
6854 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
6855 NL80211_FLAG_NEED_RTNL
,
6858 .cmd
= NL80211_CMD_SET_MPATH
,
6859 .doit
= nl80211_set_mpath
,
6860 .policy
= nl80211_policy
,
6861 .flags
= GENL_ADMIN_PERM
,
6862 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
6863 NL80211_FLAG_NEED_RTNL
,
6866 .cmd
= NL80211_CMD_NEW_MPATH
,
6867 .doit
= nl80211_new_mpath
,
6868 .policy
= nl80211_policy
,
6869 .flags
= GENL_ADMIN_PERM
,
6870 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
6871 NL80211_FLAG_NEED_RTNL
,
6874 .cmd
= NL80211_CMD_DEL_MPATH
,
6875 .doit
= nl80211_del_mpath
,
6876 .policy
= nl80211_policy
,
6877 .flags
= GENL_ADMIN_PERM
,
6878 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
6879 NL80211_FLAG_NEED_RTNL
,
6882 .cmd
= NL80211_CMD_SET_BSS
,
6883 .doit
= nl80211_set_bss
,
6884 .policy
= nl80211_policy
,
6885 .flags
= GENL_ADMIN_PERM
,
6886 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
6887 NL80211_FLAG_NEED_RTNL
,
6890 .cmd
= NL80211_CMD_GET_REG
,
6891 .doit
= nl80211_get_reg
,
6892 .policy
= nl80211_policy
,
6893 /* can be retrieved by unprivileged users */
6896 .cmd
= NL80211_CMD_SET_REG
,
6897 .doit
= nl80211_set_reg
,
6898 .policy
= nl80211_policy
,
6899 .flags
= GENL_ADMIN_PERM
,
6902 .cmd
= NL80211_CMD_REQ_SET_REG
,
6903 .doit
= nl80211_req_set_reg
,
6904 .policy
= nl80211_policy
,
6905 .flags
= GENL_ADMIN_PERM
,
6908 .cmd
= NL80211_CMD_GET_MESH_CONFIG
,
6909 .doit
= nl80211_get_mesh_config
,
6910 .policy
= nl80211_policy
,
6911 /* can be retrieved by unprivileged users */
6912 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
6913 NL80211_FLAG_NEED_RTNL
,
6916 .cmd
= NL80211_CMD_SET_MESH_CONFIG
,
6917 .doit
= nl80211_update_mesh_config
,
6918 .policy
= nl80211_policy
,
6919 .flags
= GENL_ADMIN_PERM
,
6920 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
6921 NL80211_FLAG_NEED_RTNL
,
6924 .cmd
= NL80211_CMD_TRIGGER_SCAN
,
6925 .doit
= nl80211_trigger_scan
,
6926 .policy
= nl80211_policy
,
6927 .flags
= GENL_ADMIN_PERM
,
6928 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
6929 NL80211_FLAG_NEED_RTNL
,
6932 .cmd
= NL80211_CMD_GET_SCAN
,
6933 .policy
= nl80211_policy
,
6934 .dumpit
= nl80211_dump_scan
,
6937 .cmd
= NL80211_CMD_START_SCHED_SCAN
,
6938 .doit
= nl80211_start_sched_scan
,
6939 .policy
= nl80211_policy
,
6940 .flags
= GENL_ADMIN_PERM
,
6941 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
6942 NL80211_FLAG_NEED_RTNL
,
6945 .cmd
= NL80211_CMD_STOP_SCHED_SCAN
,
6946 .doit
= nl80211_stop_sched_scan
,
6947 .policy
= nl80211_policy
,
6948 .flags
= GENL_ADMIN_PERM
,
6949 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
6950 NL80211_FLAG_NEED_RTNL
,
6953 .cmd
= NL80211_CMD_AUTHENTICATE
,
6954 .doit
= nl80211_authenticate
,
6955 .policy
= nl80211_policy
,
6956 .flags
= GENL_ADMIN_PERM
,
6957 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
6958 NL80211_FLAG_NEED_RTNL
,
6961 .cmd
= NL80211_CMD_ASSOCIATE
,
6962 .doit
= nl80211_associate
,
6963 .policy
= nl80211_policy
,
6964 .flags
= GENL_ADMIN_PERM
,
6965 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
6966 NL80211_FLAG_NEED_RTNL
,
6969 .cmd
= NL80211_CMD_DEAUTHENTICATE
,
6970 .doit
= nl80211_deauthenticate
,
6971 .policy
= nl80211_policy
,
6972 .flags
= GENL_ADMIN_PERM
,
6973 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
6974 NL80211_FLAG_NEED_RTNL
,
6977 .cmd
= NL80211_CMD_DISASSOCIATE
,
6978 .doit
= nl80211_disassociate
,
6979 .policy
= nl80211_policy
,
6980 .flags
= GENL_ADMIN_PERM
,
6981 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
6982 NL80211_FLAG_NEED_RTNL
,
6985 .cmd
= NL80211_CMD_JOIN_IBSS
,
6986 .doit
= nl80211_join_ibss
,
6987 .policy
= nl80211_policy
,
6988 .flags
= GENL_ADMIN_PERM
,
6989 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
6990 NL80211_FLAG_NEED_RTNL
,
6993 .cmd
= NL80211_CMD_LEAVE_IBSS
,
6994 .doit
= nl80211_leave_ibss
,
6995 .policy
= nl80211_policy
,
6996 .flags
= GENL_ADMIN_PERM
,
6997 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
6998 NL80211_FLAG_NEED_RTNL
,
7000 #ifdef CONFIG_NL80211_TESTMODE
7002 .cmd
= NL80211_CMD_TESTMODE
,
7003 .doit
= nl80211_testmode_do
,
7004 .dumpit
= nl80211_testmode_dump
,
7005 .policy
= nl80211_policy
,
7006 .flags
= GENL_ADMIN_PERM
,
7007 .internal_flags
= NL80211_FLAG_NEED_WIPHY
|
7008 NL80211_FLAG_NEED_RTNL
,
7012 .cmd
= NL80211_CMD_CONNECT
,
7013 .doit
= nl80211_connect
,
7014 .policy
= nl80211_policy
,
7015 .flags
= GENL_ADMIN_PERM
,
7016 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
7017 NL80211_FLAG_NEED_RTNL
,
7020 .cmd
= NL80211_CMD_DISCONNECT
,
7021 .doit
= nl80211_disconnect
,
7022 .policy
= nl80211_policy
,
7023 .flags
= GENL_ADMIN_PERM
,
7024 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
7025 NL80211_FLAG_NEED_RTNL
,
7028 .cmd
= NL80211_CMD_SET_WIPHY_NETNS
,
7029 .doit
= nl80211_wiphy_netns
,
7030 .policy
= nl80211_policy
,
7031 .flags
= GENL_ADMIN_PERM
,
7032 .internal_flags
= NL80211_FLAG_NEED_WIPHY
|
7033 NL80211_FLAG_NEED_RTNL
,
7036 .cmd
= NL80211_CMD_GET_SURVEY
,
7037 .policy
= nl80211_policy
,
7038 .dumpit
= nl80211_dump_survey
,
7041 .cmd
= NL80211_CMD_SET_PMKSA
,
7042 .doit
= nl80211_setdel_pmksa
,
7043 .policy
= nl80211_policy
,
7044 .flags
= GENL_ADMIN_PERM
,
7045 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
7046 NL80211_FLAG_NEED_RTNL
,
7049 .cmd
= NL80211_CMD_DEL_PMKSA
,
7050 .doit
= nl80211_setdel_pmksa
,
7051 .policy
= nl80211_policy
,
7052 .flags
= GENL_ADMIN_PERM
,
7053 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
7054 NL80211_FLAG_NEED_RTNL
,
7057 .cmd
= NL80211_CMD_FLUSH_PMKSA
,
7058 .doit
= nl80211_flush_pmksa
,
7059 .policy
= nl80211_policy
,
7060 .flags
= GENL_ADMIN_PERM
,
7061 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
7062 NL80211_FLAG_NEED_RTNL
,
7065 .cmd
= NL80211_CMD_REMAIN_ON_CHANNEL
,
7066 .doit
= nl80211_remain_on_channel
,
7067 .policy
= nl80211_policy
,
7068 .flags
= GENL_ADMIN_PERM
,
7069 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
7070 NL80211_FLAG_NEED_RTNL
,
7073 .cmd
= NL80211_CMD_CANCEL_REMAIN_ON_CHANNEL
,
7074 .doit
= nl80211_cancel_remain_on_channel
,
7075 .policy
= nl80211_policy
,
7076 .flags
= GENL_ADMIN_PERM
,
7077 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
7078 NL80211_FLAG_NEED_RTNL
,
7081 .cmd
= NL80211_CMD_SET_TX_BITRATE_MASK
,
7082 .doit
= nl80211_set_tx_bitrate_mask
,
7083 .policy
= nl80211_policy
,
7084 .flags
= GENL_ADMIN_PERM
,
7085 .internal_flags
= NL80211_FLAG_NEED_NETDEV
|
7086 NL80211_FLAG_NEED_RTNL
,
7089 .cmd
= NL80211_CMD_REGISTER_FRAME
,
7090 .doit
= nl80211_register_mgmt
,
7091 .policy
= nl80211_policy
,
7092 .flags
= GENL_ADMIN_PERM
,
7093 .internal_flags
= NL80211_FLAG_NEED_NETDEV
|
7094 NL80211_FLAG_NEED_RTNL
,
7097 .cmd
= NL80211_CMD_FRAME
,
7098 .doit
= nl80211_tx_mgmt
,
7099 .policy
= nl80211_policy
,
7100 .flags
= GENL_ADMIN_PERM
,
7101 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
7102 NL80211_FLAG_NEED_RTNL
,
7105 .cmd
= NL80211_CMD_FRAME_WAIT_CANCEL
,
7106 .doit
= nl80211_tx_mgmt_cancel_wait
,
7107 .policy
= nl80211_policy
,
7108 .flags
= GENL_ADMIN_PERM
,
7109 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
7110 NL80211_FLAG_NEED_RTNL
,
7113 .cmd
= NL80211_CMD_SET_POWER_SAVE
,
7114 .doit
= nl80211_set_power_save
,
7115 .policy
= nl80211_policy
,
7116 .flags
= GENL_ADMIN_PERM
,
7117 .internal_flags
= NL80211_FLAG_NEED_NETDEV
|
7118 NL80211_FLAG_NEED_RTNL
,
7121 .cmd
= NL80211_CMD_GET_POWER_SAVE
,
7122 .doit
= nl80211_get_power_save
,
7123 .policy
= nl80211_policy
,
7124 /* can be retrieved by unprivileged users */
7125 .internal_flags
= NL80211_FLAG_NEED_NETDEV
|
7126 NL80211_FLAG_NEED_RTNL
,
7129 .cmd
= NL80211_CMD_SET_CQM
,
7130 .doit
= nl80211_set_cqm
,
7131 .policy
= nl80211_policy
,
7132 .flags
= GENL_ADMIN_PERM
,
7133 .internal_flags
= NL80211_FLAG_NEED_NETDEV
|
7134 NL80211_FLAG_NEED_RTNL
,
7137 .cmd
= NL80211_CMD_SET_CHANNEL
,
7138 .doit
= nl80211_set_channel
,
7139 .policy
= nl80211_policy
,
7140 .flags
= GENL_ADMIN_PERM
,
7141 .internal_flags
= NL80211_FLAG_NEED_NETDEV
|
7142 NL80211_FLAG_NEED_RTNL
,
7145 .cmd
= NL80211_CMD_SET_WDS_PEER
,
7146 .doit
= nl80211_set_wds_peer
,
7147 .policy
= nl80211_policy
,
7148 .flags
= GENL_ADMIN_PERM
,
7149 .internal_flags
= NL80211_FLAG_NEED_NETDEV
|
7150 NL80211_FLAG_NEED_RTNL
,
7153 .cmd
= NL80211_CMD_JOIN_MESH
,
7154 .doit
= nl80211_join_mesh
,
7155 .policy
= nl80211_policy
,
7156 .flags
= GENL_ADMIN_PERM
,
7157 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
7158 NL80211_FLAG_NEED_RTNL
,
7161 .cmd
= NL80211_CMD_LEAVE_MESH
,
7162 .doit
= nl80211_leave_mesh
,
7163 .policy
= nl80211_policy
,
7164 .flags
= GENL_ADMIN_PERM
,
7165 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
7166 NL80211_FLAG_NEED_RTNL
,
7170 .cmd
= NL80211_CMD_GET_WOWLAN
,
7171 .doit
= nl80211_get_wowlan
,
7172 .policy
= nl80211_policy
,
7173 /* can be retrieved by unprivileged users */
7174 .internal_flags
= NL80211_FLAG_NEED_WIPHY
|
7175 NL80211_FLAG_NEED_RTNL
,
7178 .cmd
= NL80211_CMD_SET_WOWLAN
,
7179 .doit
= nl80211_set_wowlan
,
7180 .policy
= nl80211_policy
,
7181 .flags
= GENL_ADMIN_PERM
,
7182 .internal_flags
= NL80211_FLAG_NEED_WIPHY
|
7183 NL80211_FLAG_NEED_RTNL
,
7187 .cmd
= NL80211_CMD_SET_REKEY_OFFLOAD
,
7188 .doit
= nl80211_set_rekey_data
,
7189 .policy
= nl80211_policy
,
7190 .flags
= GENL_ADMIN_PERM
,
7191 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
7192 NL80211_FLAG_NEED_RTNL
,
7195 .cmd
= NL80211_CMD_TDLS_MGMT
,
7196 .doit
= nl80211_tdls_mgmt
,
7197 .policy
= nl80211_policy
,
7198 .flags
= GENL_ADMIN_PERM
,
7199 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
7200 NL80211_FLAG_NEED_RTNL
,
7203 .cmd
= NL80211_CMD_TDLS_OPER
,
7204 .doit
= nl80211_tdls_oper
,
7205 .policy
= nl80211_policy
,
7206 .flags
= GENL_ADMIN_PERM
,
7207 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
7208 NL80211_FLAG_NEED_RTNL
,
7211 .cmd
= NL80211_CMD_UNEXPECTED_FRAME
,
7212 .doit
= nl80211_register_unexpected_frame
,
7213 .policy
= nl80211_policy
,
7214 .flags
= GENL_ADMIN_PERM
,
7215 .internal_flags
= NL80211_FLAG_NEED_NETDEV
|
7216 NL80211_FLAG_NEED_RTNL
,
7219 .cmd
= NL80211_CMD_PROBE_CLIENT
,
7220 .doit
= nl80211_probe_client
,
7221 .policy
= nl80211_policy
,
7222 .flags
= GENL_ADMIN_PERM
,
7223 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
7224 NL80211_FLAG_NEED_RTNL
,
7227 .cmd
= NL80211_CMD_REGISTER_BEACONS
,
7228 .doit
= nl80211_register_beacons
,
7229 .policy
= nl80211_policy
,
7230 .flags
= GENL_ADMIN_PERM
,
7231 .internal_flags
= NL80211_FLAG_NEED_WIPHY
|
7232 NL80211_FLAG_NEED_RTNL
,
7235 .cmd
= NL80211_CMD_SET_NOACK_MAP
,
7236 .doit
= nl80211_set_noack_map
,
7237 .policy
= nl80211_policy
,
7238 .flags
= GENL_ADMIN_PERM
,
7239 .internal_flags
= NL80211_FLAG_NEED_NETDEV
|
7240 NL80211_FLAG_NEED_RTNL
,
7245 static struct genl_multicast_group nl80211_mlme_mcgrp
= {
7249 /* multicast groups */
7250 static struct genl_multicast_group nl80211_config_mcgrp
= {
7253 static struct genl_multicast_group nl80211_scan_mcgrp
= {
7256 static struct genl_multicast_group nl80211_regulatory_mcgrp
= {
7257 .name
= "regulatory",
7260 /* notification functions */
7262 void nl80211_notify_dev_rename(struct cfg80211_registered_device
*rdev
)
7264 struct sk_buff
*msg
;
7266 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
7270 if (nl80211_send_wiphy(msg
, 0, 0, 0, rdev
) < 0) {
7275 genlmsg_multicast_netns(wiphy_net(&rdev
->wiphy
), msg
, 0,
7276 nl80211_config_mcgrp
.id
, GFP_KERNEL
);
7279 static int nl80211_add_scan_req(struct sk_buff
*msg
,
7280 struct cfg80211_registered_device
*rdev
)
7282 struct cfg80211_scan_request
*req
= rdev
->scan_req
;
7283 struct nlattr
*nest
;
7286 ASSERT_RDEV_LOCK(rdev
);
7291 nest
= nla_nest_start(msg
, NL80211_ATTR_SCAN_SSIDS
);
7293 goto nla_put_failure
;
7294 for (i
= 0; i
< req
->n_ssids
; i
++) {
7295 if (nla_put(msg
, i
, req
->ssids
[i
].ssid_len
, req
->ssids
[i
].ssid
))
7296 goto nla_put_failure
;
7298 nla_nest_end(msg
, nest
);
7300 nest
= nla_nest_start(msg
, NL80211_ATTR_SCAN_FREQUENCIES
);
7302 goto nla_put_failure
;
7303 for (i
= 0; i
< req
->n_channels
; i
++) {
7304 if (nla_put_u32(msg
, i
, req
->channels
[i
]->center_freq
))
7305 goto nla_put_failure
;
7307 nla_nest_end(msg
, nest
);
7310 nla_put(msg
, NL80211_ATTR_IE
, req
->ie_len
, req
->ie
))
7311 goto nla_put_failure
;
7318 static int nl80211_send_scan_msg(struct sk_buff
*msg
,
7319 struct cfg80211_registered_device
*rdev
,
7320 struct net_device
*netdev
,
7321 u32 pid
, u32 seq
, int flags
,
7326 hdr
= nl80211hdr_put(msg
, pid
, seq
, flags
, cmd
);
7330 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
7331 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, netdev
->ifindex
))
7332 goto nla_put_failure
;
7334 /* ignore errors and send incomplete event anyway */
7335 nl80211_add_scan_req(msg
, rdev
);
7337 return genlmsg_end(msg
, hdr
);
7340 genlmsg_cancel(msg
, hdr
);
7345 nl80211_send_sched_scan_msg(struct sk_buff
*msg
,
7346 struct cfg80211_registered_device
*rdev
,
7347 struct net_device
*netdev
,
7348 u32 pid
, u32 seq
, int flags
, u32 cmd
)
7352 hdr
= nl80211hdr_put(msg
, pid
, seq
, flags
, cmd
);
7356 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
7357 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, netdev
->ifindex
))
7358 goto nla_put_failure
;
7360 return genlmsg_end(msg
, hdr
);
7363 genlmsg_cancel(msg
, hdr
);
7367 void nl80211_send_scan_start(struct cfg80211_registered_device
*rdev
,
7368 struct net_device
*netdev
)
7370 struct sk_buff
*msg
;
7372 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
7376 if (nl80211_send_scan_msg(msg
, rdev
, netdev
, 0, 0, 0,
7377 NL80211_CMD_TRIGGER_SCAN
) < 0) {
7382 genlmsg_multicast_netns(wiphy_net(&rdev
->wiphy
), msg
, 0,
7383 nl80211_scan_mcgrp
.id
, GFP_KERNEL
);
7386 void nl80211_send_scan_done(struct cfg80211_registered_device
*rdev
,
7387 struct net_device
*netdev
)
7389 struct sk_buff
*msg
;
7391 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
7395 if (nl80211_send_scan_msg(msg
, rdev
, netdev
, 0, 0, 0,
7396 NL80211_CMD_NEW_SCAN_RESULTS
) < 0) {
7401 genlmsg_multicast_netns(wiphy_net(&rdev
->wiphy
), msg
, 0,
7402 nl80211_scan_mcgrp
.id
, GFP_KERNEL
);
7405 void nl80211_send_scan_aborted(struct cfg80211_registered_device
*rdev
,
7406 struct net_device
*netdev
)
7408 struct sk_buff
*msg
;
7410 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
7414 if (nl80211_send_scan_msg(msg
, rdev
, netdev
, 0, 0, 0,
7415 NL80211_CMD_SCAN_ABORTED
) < 0) {
7420 genlmsg_multicast_netns(wiphy_net(&rdev
->wiphy
), msg
, 0,
7421 nl80211_scan_mcgrp
.id
, GFP_KERNEL
);
7424 void nl80211_send_sched_scan_results(struct cfg80211_registered_device
*rdev
,
7425 struct net_device
*netdev
)
7427 struct sk_buff
*msg
;
7429 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
7433 if (nl80211_send_sched_scan_msg(msg
, rdev
, netdev
, 0, 0, 0,
7434 NL80211_CMD_SCHED_SCAN_RESULTS
) < 0) {
7439 genlmsg_multicast_netns(wiphy_net(&rdev
->wiphy
), msg
, 0,
7440 nl80211_scan_mcgrp
.id
, GFP_KERNEL
);
7443 void nl80211_send_sched_scan(struct cfg80211_registered_device
*rdev
,
7444 struct net_device
*netdev
, u32 cmd
)
7446 struct sk_buff
*msg
;
7448 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
7452 if (nl80211_send_sched_scan_msg(msg
, rdev
, netdev
, 0, 0, 0, cmd
) < 0) {
7457 genlmsg_multicast_netns(wiphy_net(&rdev
->wiphy
), msg
, 0,
7458 nl80211_scan_mcgrp
.id
, GFP_KERNEL
);
7462 * This can happen on global regulatory changes or device specific settings
7463 * based on custom world regulatory domains.
7465 void nl80211_send_reg_change_event(struct regulatory_request
*request
)
7467 struct sk_buff
*msg
;
7470 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
7474 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_REG_CHANGE
);
7480 /* Userspace can always count this one always being set */
7481 if (nla_put_u8(msg
, NL80211_ATTR_REG_INITIATOR
, request
->initiator
))
7482 goto nla_put_failure
;
7484 if (request
->alpha2
[0] == '0' && request
->alpha2
[1] == '0') {
7485 if (nla_put_u8(msg
, NL80211_ATTR_REG_TYPE
,
7486 NL80211_REGDOM_TYPE_WORLD
))
7487 goto nla_put_failure
;
7488 } else if (request
->alpha2
[0] == '9' && request
->alpha2
[1] == '9') {
7489 if (nla_put_u8(msg
, NL80211_ATTR_REG_TYPE
,
7490 NL80211_REGDOM_TYPE_CUSTOM_WORLD
))
7491 goto nla_put_failure
;
7492 } else if ((request
->alpha2
[0] == '9' && request
->alpha2
[1] == '8') ||
7493 request
->intersect
) {
7494 if (nla_put_u8(msg
, NL80211_ATTR_REG_TYPE
,
7495 NL80211_REGDOM_TYPE_INTERSECTION
))
7496 goto nla_put_failure
;
7498 if (nla_put_u8(msg
, NL80211_ATTR_REG_TYPE
,
7499 NL80211_REGDOM_TYPE_COUNTRY
) ||
7500 nla_put_string(msg
, NL80211_ATTR_REG_ALPHA2
,
7502 goto nla_put_failure
;
7505 if (wiphy_idx_valid(request
->wiphy_idx
) &&
7506 nla_put_u32(msg
, NL80211_ATTR_WIPHY
, request
->wiphy_idx
))
7507 goto nla_put_failure
;
7509 genlmsg_end(msg
, hdr
);
7512 genlmsg_multicast_allns(msg
, 0, nl80211_regulatory_mcgrp
.id
,
7519 genlmsg_cancel(msg
, hdr
);
7523 static void nl80211_send_mlme_event(struct cfg80211_registered_device
*rdev
,
7524 struct net_device
*netdev
,
7525 const u8
*buf
, size_t len
,
7526 enum nl80211_commands cmd
, gfp_t gfp
)
7528 struct sk_buff
*msg
;
7531 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
7535 hdr
= nl80211hdr_put(msg
, 0, 0, 0, cmd
);
7541 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
7542 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, netdev
->ifindex
) ||
7543 nla_put(msg
, NL80211_ATTR_FRAME
, len
, buf
))
7544 goto nla_put_failure
;
7546 genlmsg_end(msg
, hdr
);
7548 genlmsg_multicast_netns(wiphy_net(&rdev
->wiphy
), msg
, 0,
7549 nl80211_mlme_mcgrp
.id
, gfp
);
7553 genlmsg_cancel(msg
, hdr
);
7557 void nl80211_send_rx_auth(struct cfg80211_registered_device
*rdev
,
7558 struct net_device
*netdev
, const u8
*buf
,
7559 size_t len
, gfp_t gfp
)
7561 nl80211_send_mlme_event(rdev
, netdev
, buf
, len
,
7562 NL80211_CMD_AUTHENTICATE
, gfp
);
7565 void nl80211_send_rx_assoc(struct cfg80211_registered_device
*rdev
,
7566 struct net_device
*netdev
, const u8
*buf
,
7567 size_t len
, gfp_t gfp
)
7569 nl80211_send_mlme_event(rdev
, netdev
, buf
, len
,
7570 NL80211_CMD_ASSOCIATE
, gfp
);
7573 void nl80211_send_deauth(struct cfg80211_registered_device
*rdev
,
7574 struct net_device
*netdev
, const u8
*buf
,
7575 size_t len
, gfp_t gfp
)
7577 nl80211_send_mlme_event(rdev
, netdev
, buf
, len
,
7578 NL80211_CMD_DEAUTHENTICATE
, gfp
);
7581 void nl80211_send_disassoc(struct cfg80211_registered_device
*rdev
,
7582 struct net_device
*netdev
, const u8
*buf
,
7583 size_t len
, gfp_t gfp
)
7585 nl80211_send_mlme_event(rdev
, netdev
, buf
, len
,
7586 NL80211_CMD_DISASSOCIATE
, gfp
);
7589 void nl80211_send_unprot_deauth(struct cfg80211_registered_device
*rdev
,
7590 struct net_device
*netdev
, const u8
*buf
,
7591 size_t len
, gfp_t gfp
)
7593 nl80211_send_mlme_event(rdev
, netdev
, buf
, len
,
7594 NL80211_CMD_UNPROT_DEAUTHENTICATE
, gfp
);
7597 void nl80211_send_unprot_disassoc(struct cfg80211_registered_device
*rdev
,
7598 struct net_device
*netdev
, const u8
*buf
,
7599 size_t len
, gfp_t gfp
)
7601 nl80211_send_mlme_event(rdev
, netdev
, buf
, len
,
7602 NL80211_CMD_UNPROT_DISASSOCIATE
, gfp
);
7605 static void nl80211_send_mlme_timeout(struct cfg80211_registered_device
*rdev
,
7606 struct net_device
*netdev
, int cmd
,
7607 const u8
*addr
, gfp_t gfp
)
7609 struct sk_buff
*msg
;
7612 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
7616 hdr
= nl80211hdr_put(msg
, 0, 0, 0, cmd
);
7622 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
7623 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, netdev
->ifindex
) ||
7624 nla_put_flag(msg
, NL80211_ATTR_TIMED_OUT
) ||
7625 nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, addr
))
7626 goto nla_put_failure
;
7628 genlmsg_end(msg
, hdr
);
7630 genlmsg_multicast_netns(wiphy_net(&rdev
->wiphy
), msg
, 0,
7631 nl80211_mlme_mcgrp
.id
, gfp
);
7635 genlmsg_cancel(msg
, hdr
);
7639 void nl80211_send_auth_timeout(struct cfg80211_registered_device
*rdev
,
7640 struct net_device
*netdev
, const u8
*addr
,
7643 nl80211_send_mlme_timeout(rdev
, netdev
, NL80211_CMD_AUTHENTICATE
,
7647 void nl80211_send_assoc_timeout(struct cfg80211_registered_device
*rdev
,
7648 struct net_device
*netdev
, const u8
*addr
,
7651 nl80211_send_mlme_timeout(rdev
, netdev
, NL80211_CMD_ASSOCIATE
,
7655 void nl80211_send_connect_result(struct cfg80211_registered_device
*rdev
,
7656 struct net_device
*netdev
, const u8
*bssid
,
7657 const u8
*req_ie
, size_t req_ie_len
,
7658 const u8
*resp_ie
, size_t resp_ie_len
,
7659 u16 status
, gfp_t gfp
)
7661 struct sk_buff
*msg
;
7664 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
7668 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_CONNECT
);
7674 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
7675 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, netdev
->ifindex
) ||
7676 (bssid
&& nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, bssid
)) ||
7677 nla_put_u16(msg
, NL80211_ATTR_STATUS_CODE
, status
) ||
7679 nla_put(msg
, NL80211_ATTR_REQ_IE
, req_ie_len
, req_ie
)) ||
7681 nla_put(msg
, NL80211_ATTR_RESP_IE
, resp_ie_len
, resp_ie
)))
7682 goto nla_put_failure
;
7684 genlmsg_end(msg
, hdr
);
7686 genlmsg_multicast_netns(wiphy_net(&rdev
->wiphy
), msg
, 0,
7687 nl80211_mlme_mcgrp
.id
, gfp
);
7691 genlmsg_cancel(msg
, hdr
);
7696 void nl80211_send_roamed(struct cfg80211_registered_device
*rdev
,
7697 struct net_device
*netdev
, const u8
*bssid
,
7698 const u8
*req_ie
, size_t req_ie_len
,
7699 const u8
*resp_ie
, size_t resp_ie_len
, gfp_t gfp
)
7701 struct sk_buff
*msg
;
7704 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
7708 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_ROAM
);
7714 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
7715 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, netdev
->ifindex
) ||
7716 nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, bssid
) ||
7718 nla_put(msg
, NL80211_ATTR_REQ_IE
, req_ie_len
, req_ie
)) ||
7720 nla_put(msg
, NL80211_ATTR_RESP_IE
, resp_ie_len
, resp_ie
)))
7721 goto nla_put_failure
;
7723 genlmsg_end(msg
, hdr
);
7725 genlmsg_multicast_netns(wiphy_net(&rdev
->wiphy
), msg
, 0,
7726 nl80211_mlme_mcgrp
.id
, gfp
);
7730 genlmsg_cancel(msg
, hdr
);
7735 void nl80211_send_disconnected(struct cfg80211_registered_device
*rdev
,
7736 struct net_device
*netdev
, u16 reason
,
7737 const u8
*ie
, size_t ie_len
, bool from_ap
)
7739 struct sk_buff
*msg
;
7742 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
7746 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_DISCONNECT
);
7752 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
7753 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, netdev
->ifindex
) ||
7754 (from_ap
&& reason
&&
7755 nla_put_u16(msg
, NL80211_ATTR_REASON_CODE
, reason
)) ||
7757 nla_put_flag(msg
, NL80211_ATTR_DISCONNECTED_BY_AP
)) ||
7758 (ie
&& nla_put(msg
, NL80211_ATTR_IE
, ie_len
, ie
)))
7759 goto nla_put_failure
;
7761 genlmsg_end(msg
, hdr
);
7763 genlmsg_multicast_netns(wiphy_net(&rdev
->wiphy
), msg
, 0,
7764 nl80211_mlme_mcgrp
.id
, GFP_KERNEL
);
7768 genlmsg_cancel(msg
, hdr
);
7773 void nl80211_send_ibss_bssid(struct cfg80211_registered_device
*rdev
,
7774 struct net_device
*netdev
, const u8
*bssid
,
7777 struct sk_buff
*msg
;
7780 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
7784 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_JOIN_IBSS
);
7790 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
7791 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, netdev
->ifindex
) ||
7792 nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, bssid
))
7793 goto nla_put_failure
;
7795 genlmsg_end(msg
, hdr
);
7797 genlmsg_multicast_netns(wiphy_net(&rdev
->wiphy
), msg
, 0,
7798 nl80211_mlme_mcgrp
.id
, gfp
);
7802 genlmsg_cancel(msg
, hdr
);
7806 void nl80211_send_new_peer_candidate(struct cfg80211_registered_device
*rdev
,
7807 struct net_device
*netdev
,
7808 const u8
*macaddr
, const u8
* ie
, u8 ie_len
,
7811 struct sk_buff
*msg
;
7814 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
7818 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_NEW_PEER_CANDIDATE
);
7824 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
7825 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, netdev
->ifindex
) ||
7826 nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, macaddr
) ||
7828 nla_put(msg
, NL80211_ATTR_IE
, ie_len
, ie
)))
7829 goto nla_put_failure
;
7831 genlmsg_end(msg
, hdr
);
7833 genlmsg_multicast_netns(wiphy_net(&rdev
->wiphy
), msg
, 0,
7834 nl80211_mlme_mcgrp
.id
, gfp
);
7838 genlmsg_cancel(msg
, hdr
);
7842 void nl80211_michael_mic_failure(struct cfg80211_registered_device
*rdev
,
7843 struct net_device
*netdev
, const u8
*addr
,
7844 enum nl80211_key_type key_type
, int key_id
,
7845 const u8
*tsc
, gfp_t gfp
)
7847 struct sk_buff
*msg
;
7850 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
7854 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_MICHAEL_MIC_FAILURE
);
7860 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
7861 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, netdev
->ifindex
) ||
7862 (addr
&& nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, addr
)) ||
7863 nla_put_u32(msg
, NL80211_ATTR_KEY_TYPE
, key_type
) ||
7865 nla_put_u8(msg
, NL80211_ATTR_KEY_IDX
, key_id
)) ||
7866 (tsc
&& nla_put(msg
, NL80211_ATTR_KEY_SEQ
, 6, tsc
)))
7867 goto nla_put_failure
;
7869 genlmsg_end(msg
, hdr
);
7871 genlmsg_multicast_netns(wiphy_net(&rdev
->wiphy
), msg
, 0,
7872 nl80211_mlme_mcgrp
.id
, gfp
);
7876 genlmsg_cancel(msg
, hdr
);
7880 void nl80211_send_beacon_hint_event(struct wiphy
*wiphy
,
7881 struct ieee80211_channel
*channel_before
,
7882 struct ieee80211_channel
*channel_after
)
7884 struct sk_buff
*msg
;
7886 struct nlattr
*nl_freq
;
7888 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_ATOMIC
);
7892 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_REG_BEACON_HINT
);
7899 * Since we are applying the beacon hint to a wiphy we know its
7900 * wiphy_idx is valid
7902 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, get_wiphy_idx(wiphy
)))
7903 goto nla_put_failure
;
7906 nl_freq
= nla_nest_start(msg
, NL80211_ATTR_FREQ_BEFORE
);
7908 goto nla_put_failure
;
7909 if (nl80211_msg_put_channel(msg
, channel_before
))
7910 goto nla_put_failure
;
7911 nla_nest_end(msg
, nl_freq
);
7914 nl_freq
= nla_nest_start(msg
, NL80211_ATTR_FREQ_AFTER
);
7916 goto nla_put_failure
;
7917 if (nl80211_msg_put_channel(msg
, channel_after
))
7918 goto nla_put_failure
;
7919 nla_nest_end(msg
, nl_freq
);
7921 genlmsg_end(msg
, hdr
);
7924 genlmsg_multicast_allns(msg
, 0, nl80211_regulatory_mcgrp
.id
,
7931 genlmsg_cancel(msg
, hdr
);
7935 static void nl80211_send_remain_on_chan_event(
7936 int cmd
, struct cfg80211_registered_device
*rdev
,
7937 struct net_device
*netdev
, u64 cookie
,
7938 struct ieee80211_channel
*chan
,
7939 enum nl80211_channel_type channel_type
,
7940 unsigned int duration
, gfp_t gfp
)
7942 struct sk_buff
*msg
;
7945 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
7949 hdr
= nl80211hdr_put(msg
, 0, 0, 0, cmd
);
7955 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
7956 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, netdev
->ifindex
) ||
7957 nla_put_u32(msg
, NL80211_ATTR_WIPHY_FREQ
, chan
->center_freq
) ||
7958 nla_put_u32(msg
, NL80211_ATTR_WIPHY_CHANNEL_TYPE
, channel_type
) ||
7959 nla_put_u64(msg
, NL80211_ATTR_COOKIE
, cookie
))
7960 goto nla_put_failure
;
7962 if (cmd
== NL80211_CMD_REMAIN_ON_CHANNEL
&&
7963 nla_put_u32(msg
, NL80211_ATTR_DURATION
, duration
))
7964 goto nla_put_failure
;
7966 genlmsg_end(msg
, hdr
);
7968 genlmsg_multicast_netns(wiphy_net(&rdev
->wiphy
), msg
, 0,
7969 nl80211_mlme_mcgrp
.id
, gfp
);
7973 genlmsg_cancel(msg
, hdr
);
7977 void nl80211_send_remain_on_channel(struct cfg80211_registered_device
*rdev
,
7978 struct net_device
*netdev
, u64 cookie
,
7979 struct ieee80211_channel
*chan
,
7980 enum nl80211_channel_type channel_type
,
7981 unsigned int duration
, gfp_t gfp
)
7983 nl80211_send_remain_on_chan_event(NL80211_CMD_REMAIN_ON_CHANNEL
,
7984 rdev
, netdev
, cookie
, chan
,
7985 channel_type
, duration
, gfp
);
7988 void nl80211_send_remain_on_channel_cancel(
7989 struct cfg80211_registered_device
*rdev
, struct net_device
*netdev
,
7990 u64 cookie
, struct ieee80211_channel
*chan
,
7991 enum nl80211_channel_type channel_type
, gfp_t gfp
)
7993 nl80211_send_remain_on_chan_event(NL80211_CMD_CANCEL_REMAIN_ON_CHANNEL
,
7994 rdev
, netdev
, cookie
, chan
,
7995 channel_type
, 0, gfp
);
7998 void nl80211_send_sta_event(struct cfg80211_registered_device
*rdev
,
7999 struct net_device
*dev
, const u8
*mac_addr
,
8000 struct station_info
*sinfo
, gfp_t gfp
)
8002 struct sk_buff
*msg
;
8004 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
8008 if (nl80211_send_station(msg
, 0, 0, 0,
8009 rdev
, dev
, mac_addr
, sinfo
) < 0) {
8014 genlmsg_multicast_netns(wiphy_net(&rdev
->wiphy
), msg
, 0,
8015 nl80211_mlme_mcgrp
.id
, gfp
);
8018 void nl80211_send_sta_del_event(struct cfg80211_registered_device
*rdev
,
8019 struct net_device
*dev
, const u8
*mac_addr
,
8022 struct sk_buff
*msg
;
8025 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
8029 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_DEL_STATION
);
8035 if (nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, dev
->ifindex
) ||
8036 nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, mac_addr
))
8037 goto nla_put_failure
;
8039 genlmsg_end(msg
, hdr
);
8041 genlmsg_multicast_netns(wiphy_net(&rdev
->wiphy
), msg
, 0,
8042 nl80211_mlme_mcgrp
.id
, gfp
);
8046 genlmsg_cancel(msg
, hdr
);
8050 static bool __nl80211_unexpected_frame(struct net_device
*dev
, u8 cmd
,
8051 const u8
*addr
, gfp_t gfp
)
8053 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
8054 struct cfg80211_registered_device
*rdev
= wiphy_to_dev(wdev
->wiphy
);
8055 struct sk_buff
*msg
;
8058 u32 nlpid
= ACCESS_ONCE(wdev
->ap_unexpected_nlpid
);
8063 msg
= nlmsg_new(100, gfp
);
8067 hdr
= nl80211hdr_put(msg
, 0, 0, 0, cmd
);
8073 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
8074 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, dev
->ifindex
) ||
8075 nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, addr
))
8076 goto nla_put_failure
;
8078 err
= genlmsg_end(msg
, hdr
);
8084 genlmsg_unicast(wiphy_net(&rdev
->wiphy
), msg
, nlpid
);
8088 genlmsg_cancel(msg
, hdr
);
8093 bool nl80211_unexpected_frame(struct net_device
*dev
, const u8
*addr
, gfp_t gfp
)
8095 return __nl80211_unexpected_frame(dev
, NL80211_CMD_UNEXPECTED_FRAME
,
8099 bool nl80211_unexpected_4addr_frame(struct net_device
*dev
,
8100 const u8
*addr
, gfp_t gfp
)
8102 return __nl80211_unexpected_frame(dev
,
8103 NL80211_CMD_UNEXPECTED_4ADDR_FRAME
,
8107 int nl80211_send_mgmt(struct cfg80211_registered_device
*rdev
,
8108 struct net_device
*netdev
, u32 nlpid
,
8109 int freq
, int sig_dbm
,
8110 const u8
*buf
, size_t len
, gfp_t gfp
)
8112 struct sk_buff
*msg
;
8115 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
8119 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_FRAME
);
8125 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
8126 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, netdev
->ifindex
) ||
8127 nla_put_u32(msg
, NL80211_ATTR_WIPHY_FREQ
, freq
) ||
8129 nla_put_u32(msg
, NL80211_ATTR_RX_SIGNAL_DBM
, sig_dbm
)) ||
8130 nla_put(msg
, NL80211_ATTR_FRAME
, len
, buf
))
8131 goto nla_put_failure
;
8133 genlmsg_end(msg
, hdr
);
8135 return genlmsg_unicast(wiphy_net(&rdev
->wiphy
), msg
, nlpid
);
8138 genlmsg_cancel(msg
, hdr
);
8143 void nl80211_send_mgmt_tx_status(struct cfg80211_registered_device
*rdev
,
8144 struct net_device
*netdev
, u64 cookie
,
8145 const u8
*buf
, size_t len
, bool ack
,
8148 struct sk_buff
*msg
;
8151 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
8155 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_FRAME_TX_STATUS
);
8161 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
8162 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, netdev
->ifindex
) ||
8163 nla_put(msg
, NL80211_ATTR_FRAME
, len
, buf
) ||
8164 nla_put_u64(msg
, NL80211_ATTR_COOKIE
, cookie
) ||
8165 (ack
&& nla_put_flag(msg
, NL80211_ATTR_ACK
)))
8166 goto nla_put_failure
;
8168 genlmsg_end(msg
, hdr
);
8170 genlmsg_multicast(msg
, 0, nl80211_mlme_mcgrp
.id
, gfp
);
8174 genlmsg_cancel(msg
, hdr
);
8179 nl80211_send_cqm_rssi_notify(struct cfg80211_registered_device
*rdev
,
8180 struct net_device
*netdev
,
8181 enum nl80211_cqm_rssi_threshold_event rssi_event
,
8184 struct sk_buff
*msg
;
8185 struct nlattr
*pinfoattr
;
8188 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
8192 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_NOTIFY_CQM
);
8198 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
8199 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, netdev
->ifindex
))
8200 goto nla_put_failure
;
8202 pinfoattr
= nla_nest_start(msg
, NL80211_ATTR_CQM
);
8204 goto nla_put_failure
;
8206 if (nla_put_u32(msg
, NL80211_ATTR_CQM_RSSI_THRESHOLD_EVENT
,
8208 goto nla_put_failure
;
8210 nla_nest_end(msg
, pinfoattr
);
8212 genlmsg_end(msg
, hdr
);
8214 genlmsg_multicast_netns(wiphy_net(&rdev
->wiphy
), msg
, 0,
8215 nl80211_mlme_mcgrp
.id
, gfp
);
8219 genlmsg_cancel(msg
, hdr
);
8223 void nl80211_gtk_rekey_notify(struct cfg80211_registered_device
*rdev
,
8224 struct net_device
*netdev
, const u8
*bssid
,
8225 const u8
*replay_ctr
, gfp_t gfp
)
8227 struct sk_buff
*msg
;
8228 struct nlattr
*rekey_attr
;
8231 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
8235 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_SET_REKEY_OFFLOAD
);
8241 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
8242 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, netdev
->ifindex
) ||
8243 nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, bssid
))
8244 goto nla_put_failure
;
8246 rekey_attr
= nla_nest_start(msg
, NL80211_ATTR_REKEY_DATA
);
8248 goto nla_put_failure
;
8250 if (nla_put(msg
, NL80211_REKEY_DATA_REPLAY_CTR
,
8251 NL80211_REPLAY_CTR_LEN
, replay_ctr
))
8252 goto nla_put_failure
;
8254 nla_nest_end(msg
, rekey_attr
);
8256 genlmsg_end(msg
, hdr
);
8258 genlmsg_multicast_netns(wiphy_net(&rdev
->wiphy
), msg
, 0,
8259 nl80211_mlme_mcgrp
.id
, gfp
);
8263 genlmsg_cancel(msg
, hdr
);
8267 void nl80211_pmksa_candidate_notify(struct cfg80211_registered_device
*rdev
,
8268 struct net_device
*netdev
, int index
,
8269 const u8
*bssid
, bool preauth
, gfp_t gfp
)
8271 struct sk_buff
*msg
;
8272 struct nlattr
*attr
;
8275 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
8279 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_PMKSA_CANDIDATE
);
8285 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
8286 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, netdev
->ifindex
))
8287 goto nla_put_failure
;
8289 attr
= nla_nest_start(msg
, NL80211_ATTR_PMKSA_CANDIDATE
);
8291 goto nla_put_failure
;
8293 if (nla_put_u32(msg
, NL80211_PMKSA_CANDIDATE_INDEX
, index
) ||
8294 nla_put(msg
, NL80211_PMKSA_CANDIDATE_BSSID
, ETH_ALEN
, bssid
) ||
8296 nla_put_flag(msg
, NL80211_PMKSA_CANDIDATE_PREAUTH
)))
8297 goto nla_put_failure
;
8299 nla_nest_end(msg
, attr
);
8301 genlmsg_end(msg
, hdr
);
8303 genlmsg_multicast_netns(wiphy_net(&rdev
->wiphy
), msg
, 0,
8304 nl80211_mlme_mcgrp
.id
, gfp
);
8308 genlmsg_cancel(msg
, hdr
);
8312 void nl80211_ch_switch_notify(struct cfg80211_registered_device
*rdev
,
8313 struct net_device
*netdev
, int freq
,
8314 enum nl80211_channel_type type
, gfp_t gfp
)
8316 struct sk_buff
*msg
;
8319 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
8323 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_CH_SWITCH_NOTIFY
);
8329 if (nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, netdev
->ifindex
) ||
8330 nla_put_u32(msg
, NL80211_ATTR_WIPHY_FREQ
, freq
) ||
8331 nla_put_u32(msg
, NL80211_ATTR_WIPHY_CHANNEL_TYPE
, type
))
8332 goto nla_put_failure
;
8334 genlmsg_end(msg
, hdr
);
8336 genlmsg_multicast_netns(wiphy_net(&rdev
->wiphy
), msg
, 0,
8337 nl80211_mlme_mcgrp
.id
, gfp
);
8341 genlmsg_cancel(msg
, hdr
);
8346 nl80211_send_cqm_pktloss_notify(struct cfg80211_registered_device
*rdev
,
8347 struct net_device
*netdev
, const u8
*peer
,
8348 u32 num_packets
, gfp_t gfp
)
8350 struct sk_buff
*msg
;
8351 struct nlattr
*pinfoattr
;
8354 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
8358 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_NOTIFY_CQM
);
8364 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
8365 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, netdev
->ifindex
) ||
8366 nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, peer
))
8367 goto nla_put_failure
;
8369 pinfoattr
= nla_nest_start(msg
, NL80211_ATTR_CQM
);
8371 goto nla_put_failure
;
8373 if (nla_put_u32(msg
, NL80211_ATTR_CQM_PKT_LOSS_EVENT
, num_packets
))
8374 goto nla_put_failure
;
8376 nla_nest_end(msg
, pinfoattr
);
8378 genlmsg_end(msg
, hdr
);
8380 genlmsg_multicast_netns(wiphy_net(&rdev
->wiphy
), msg
, 0,
8381 nl80211_mlme_mcgrp
.id
, gfp
);
8385 genlmsg_cancel(msg
, hdr
);
8389 void cfg80211_probe_status(struct net_device
*dev
, const u8
*addr
,
8390 u64 cookie
, bool acked
, gfp_t gfp
)
8392 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
8393 struct cfg80211_registered_device
*rdev
= wiphy_to_dev(wdev
->wiphy
);
8394 struct sk_buff
*msg
;
8398 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
8402 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_PROBE_CLIENT
);
8408 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
8409 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, dev
->ifindex
) ||
8410 nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, addr
) ||
8411 nla_put_u64(msg
, NL80211_ATTR_COOKIE
, cookie
) ||
8412 (acked
&& nla_put_flag(msg
, NL80211_ATTR_ACK
)))
8413 goto nla_put_failure
;
8415 err
= genlmsg_end(msg
, hdr
);
8421 genlmsg_multicast_netns(wiphy_net(&rdev
->wiphy
), msg
, 0,
8422 nl80211_mlme_mcgrp
.id
, gfp
);
8426 genlmsg_cancel(msg
, hdr
);
8429 EXPORT_SYMBOL(cfg80211_probe_status
);
8431 void cfg80211_report_obss_beacon(struct wiphy
*wiphy
,
8432 const u8
*frame
, size_t len
,
8433 int freq
, int sig_dbm
, gfp_t gfp
)
8435 struct cfg80211_registered_device
*rdev
= wiphy_to_dev(wiphy
);
8436 struct sk_buff
*msg
;
8438 u32 nlpid
= ACCESS_ONCE(rdev
->ap_beacons_nlpid
);
8443 msg
= nlmsg_new(len
+ 100, gfp
);
8447 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_FRAME
);
8453 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
8455 nla_put_u32(msg
, NL80211_ATTR_WIPHY_FREQ
, freq
)) ||
8457 nla_put_u32(msg
, NL80211_ATTR_RX_SIGNAL_DBM
, sig_dbm
)) ||
8458 nla_put(msg
, NL80211_ATTR_FRAME
, len
, frame
))
8459 goto nla_put_failure
;
8461 genlmsg_end(msg
, hdr
);
8463 genlmsg_unicast(wiphy_net(&rdev
->wiphy
), msg
, nlpid
);
8467 genlmsg_cancel(msg
, hdr
);
8470 EXPORT_SYMBOL(cfg80211_report_obss_beacon
);
8472 static int nl80211_netlink_notify(struct notifier_block
* nb
,
8473 unsigned long state
,
8476 struct netlink_notify
*notify
= _notify
;
8477 struct cfg80211_registered_device
*rdev
;
8478 struct wireless_dev
*wdev
;
8480 if (state
!= NETLINK_URELEASE
)
8485 list_for_each_entry_rcu(rdev
, &cfg80211_rdev_list
, list
) {
8486 list_for_each_entry_rcu(wdev
, &rdev
->netdev_list
, list
)
8487 cfg80211_mlme_unregister_socket(wdev
, notify
->pid
);
8488 if (rdev
->ap_beacons_nlpid
== notify
->pid
)
8489 rdev
->ap_beacons_nlpid
= 0;
8497 static struct notifier_block nl80211_netlink_notifier
= {
8498 .notifier_call
= nl80211_netlink_notify
,
8501 /* initialisation/exit functions */
8503 int nl80211_init(void)
8507 err
= genl_register_family_with_ops(&nl80211_fam
,
8508 nl80211_ops
, ARRAY_SIZE(nl80211_ops
));
8512 err
= genl_register_mc_group(&nl80211_fam
, &nl80211_config_mcgrp
);
8516 err
= genl_register_mc_group(&nl80211_fam
, &nl80211_scan_mcgrp
);
8520 err
= genl_register_mc_group(&nl80211_fam
, &nl80211_regulatory_mcgrp
);
8524 err
= genl_register_mc_group(&nl80211_fam
, &nl80211_mlme_mcgrp
);
8528 #ifdef CONFIG_NL80211_TESTMODE
8529 err
= genl_register_mc_group(&nl80211_fam
, &nl80211_testmode_mcgrp
);
8534 err
= netlink_register_notifier(&nl80211_netlink_notifier
);
8540 genl_unregister_family(&nl80211_fam
);
8544 void nl80211_exit(void)
8546 netlink_unregister_notifier(&nl80211_netlink_notifier
);
8547 genl_unregister_family(&nl80211_fam
);